Merge branch 'master' into master

2025-12-18 12:54:39 +03:00 · 2023-04-30 16:22:07 -04:00
parent 69fc633957 9e61bf808e
commit 7ebdd369be
6 changed files with 1535 additions and 73 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -0,0 +1,13 @@
 # These are supported funding model platforms
 github: fffaraz
 patreon: # Replace with a single Patreon username
 open_collective: # Replace with a single Open Collective username
 ko_fi: # Replace with a single Ko-fi username
 tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
 community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
 liberapay: # Replace with a single Liberapay username
 issuehunt: # Replace with a single IssueHunt username
 otechie: # Replace with a single Otechie username
 lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
 custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -3,7 +3,7 @@ Please ensure your pull request adheres to the following guidelines:
 * Please search previous suggestions before making a new one, as yours may be a duplicate.
 * Please make an individual pull request for each suggestion.
-* Use the following format: \[RESOURCE\]\(REPO-LINK\) - DESCRIPTION. [LICENCE] \[website\]\(WEB-LINK\)
+* Use the following format: \[RESOURCE\]\(REPO-LINK\) - DESCRIPTION. [LICENSE] \[website\]\(WEB-LINK\)
 * Keep descriptions short and simple.
 * End all descriptions with a full stop/period.
 * Make sure your text editor is set to remove trailing whitespace.
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Awesome C++ [![Awesome](https://awesome.re/badge.svg)](https://awesome.re)
+# Awesome C++ [![Awesome](https://awesome.re/badge.svg)](https://awesome.re) [![Track Awesome List](https://www.trackawesomelist.com/badge.svg)](https://www.trackawesomelist.com/fffaraz/awesome-cpp/)
 A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff.
 - [Awesome C++](#awesome-cpp)
@@ -18,7 +18,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 	- [Cryptography](#cryptography)
 	- [CSV](#csv)
 	- [Database](#database)
 	- [Data visualization](#data-visualization)
 	- [Debug](#debug)
 	- [Documentation](#documentation)
 	- [Font](#font)
 	- [Game Engine](#game-engine)
 	- [GUI](#gui)
@@ -46,6 +48,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 	- [Virtual Machines](#virtual-machines)
 	- [Web Application Framework](#web-application-framework)
 	- [XML](#xml)
 	- [Yaml](#yaml)
 	- [Miscellaneous](#miscellaneous)
 - [Software](#software)
 	- [Compiler](#compiler)
@@ -59,12 +62,17 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 	- [API Design](#api-design)
 	- [Articles](#articles)
 	- [Books](#books)
 	- [Coding Standards](#coding-standards)
 	- [Coding Style](#coding-style)
 	- [Podcasts](#podcasts)
 	- [Talks](#talks)
 	- [Videos](#videos)
 	- [Websites](#websites)
 	- [Weblogs](#weblogs)
 	- [Other Awesome Projects](#other-awesome-projects)
 - [Other Awesome Lists](#other-awesome-lists)
 - [Jobs](#jobs)
 - [Sponsors](#sponsors)
 - [Contributing](#contributing)
 ## Standard Libraries
@@ -83,11 +91,14 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Apache C++ Standard Library](http://stdcxx.apache.org/) - STDCXX, A collection of algorithms, containers, iterators, and other fundamental components. [retired] [Apache2]
 * [APR](http://apr.apache.org/) - Apache Portable Runtime. Another library of cross-platform utility functions. [Apache2]
 * [ASL](http://stlab.adobe.com/) - Adobe Source Libraries provides peer-reviewed and portable C++ source libraries. [MIT]
-* [Boost](https://github.com/boostorg) :zap: - A large collection of generic C++ libraries. [Boost] [website](http://www.boost.org/)
+* [Boost](https://github.com/boostorg) :zap: - A large collection of generic C++ libraries. [Boost] [website](https://www.boost.org)
 * [BDE](https://github.com/bloomberg/bde) - The BDE Development Environment from Bloomberg Labs. [Apache2]
 * [C++ Workflow](https://github.com/sogou/workflow) :zap: - C++ Parallel Computing and Asynchronous Networking Engine. [Apache2]
 * [CGraph](https://github.com/ChunelFeng/CGraph) - A cross-platform DAG framework based on C++ without any 3rd-party. [MIT]
 * [Cinder](https://libcinder.org/) - A community-developed, free and open source library for professional-quality creative coding. [BSD]
 * [Coost](https://github.com/idealvin/coost) - A tiny boost library in C++11. [MIT]
 * [Cxxomfort](http://ryan.gulix.cl/fossil.cgi/cxxomfort/) - A small, header-only library that backports various facilities from more recent C++ Standards to C++03 and later. [MIT]
-* [Dlib](https://github.com/davisking/dlib) :zap: - A general purpose cross-platform C++ library designed using contract programming and modern C++ techniques. [Boost] [website](http://dlib.net/)
+* [Dlib](https://github.com/davisking/dlib) :zap: - A toolkit for making real world machine learning and data analysis applications in C++ [Boost] [website](http://dlib.net/)
 * [EASTL](https://github.com/electronicarts/EASTL) - Electronic Arts Standard Template Library. [BSD]
 * [ETL](https://github.com/ETLCPP/etl) - Embedded Template Library. [MIT]
 * [ffead-cpp](https://github.com/sumeetchhetri/ffead-cpp) - Framework for Enterprise Application Development. [Apache2]
@@ -99,12 +110,14 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libPhenom](https://github.com/facebook/libphenom) - libPhenom is an eventing framework for building high performance and high scalability systems in C. [Apache2]
 * [LibSourcey](https://github.com/sourcey/libsourcey) - C++11 evented IO for real-time video streaming and high performance networking applications. [LGPL]
 * [LibU](https://github.com/koanlogic/libu) - A multiplatform utility library written in C. [BSD]
 * [libxutils](https://github.com/kala13x/libxutils) - Simple and yet powerful cross-platform C library providing data structures, algorithms and much more. [MIT]
 * [Loki](http://loki-lib.sourceforge.net/) - A C++ library of designs, containing flexible implementations of common design patterns and idioms. [MIT]
-* [MiLi](https://bitbucket.org/fudepan/mili/) - Minimal headers-only C++ Library. [Boost]
+* [MiLi](https://github.com/MariadeAnton/MiLi) - Minimal headers-only C++ Library. [Boost]
 * [OpenFrameworks](https://github.com/openframeworks/openFrameworks) - A cross platform open source toolkit for creative coding in C++. [MIT] [website](http://www.openframeworks.cc/)
 * [Qt](https://www.qt.io/download-open-source/) :zap: - A cross-platform application and UI framework. [GPL/LGPL/Commercial]
 * [Reason](http://code.google.com/p/reason/) - A cross platform framework designed to bring the ease of use of Java, .Net, or Python to developers who require the performance and strength of C++. [GPL2]
 * [ROOT](https://root.cern.ch/) - A set of OO frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Used at CERN. [LGPL]
 * [Seastar](https://github.com/scylladb/seastar) - An advanced, open-source C++ framework for high-performance server applications on modern hardware. [Apache-2.0 License] [seastar.io](http://seastar.io/)
 * [STLport](http://www.stlport.org/) - An exemplary version of STL. [Free]
 * [STXXL](http://stxxl.sourceforge.net/) - Standard Template Library for Extra Large Data Sets. [Boost]
 * [tbox](https://github.com/tboox/tbox) - A glib-like multi-platform c library. [Apache2] [website](http://tboox.org/)
@@ -122,6 +135,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Genann](https://github.com/codeplea/genann) - Simple neural network library in C. [zlib]
 * [MXNet](https://github.com/apache/incubator-mxnet) - Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more [website](https://mxnet.apache.org)
 * [PyTorch](https://github.com/pytorch/pytorch) - Tensors and Dynamic neural networks in Python with strong GPU acceleration. [website](https://pytorch.org)
 * [flashlight](https://github.com/flashlight/flashlight) - Flashlight is a fast, flexible machine learning library written entirely in C++. [BSD]
 * [Recast/Detour](https://github.com/recastnavigation/recastnavigation) - (3D) Navigation mesh generator and pathfinder, mostly for games. [zlib]
 * [TensorFlow](https://github.com/tensorflow/tensorflow) - An open source software library for numerical computation using data flow graphs [Apache]
 * [oneDNN](https://github.com/oneapi-src/oneDNN) - An open-source cross-platform performance library for deep learning applications. [Apache] [website](https://01.org/onednn)
@@ -133,8 +147,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Asynchronous Event Loop
 * [Asio](https://github.com/chriskohlhoff/asio/) - A cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach. [Boost] [website](http://think-async.com/)
-* [Boost.Asio](http://think-async.com/) - A cross-platform C++ library for network and low-level I/O programming. [Boost]
+* [Boost.Asio](https://github.com/boostorg/asio) - A cross-platform C++ library for network and low-level I/O programming. [Boost] [website](https://boost.org/libs/asio)
 * [C++ Actor Framework](https://github.com/actor-framework/actor-framework) - An Open Source Implementation of the Actor Model in C++. [BSD-3-Clause] [website](http://actor-framework.org/)
 * [Ichor](https://github.com/volt-software/ichor) - An event queue which focuses on thread safety and provides dependency injection. [MIT]
 * [libev](http://libev.schmorp.de/) - A full-featured and high-performance event loop that is loosely modelled after libevent, but without its limitations and bugs. [BSD and GPL]
 * [libevent](http://libevent.org/) - An event notification library. [BSD]
 * [libhv](https://github.com/ithewei/libhv) - Cross-platform event loop library. [BSD]
@@ -145,7 +160,10 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Audio
 *Audio, Sound, Music, Digitized Voice Libraries*
-* [AudioFile](https://github.com/adamstark/AudioFile) - A simple C++ library for reading and writing audio files. [GPL3]
+* [Aubio](https://github.com/aubio/aubio) - A library for audio and music analysis.[GPL-3.0] [website](https://aubio.org/)
 * [AudioFile](https://github.com/adamstark/AudioFile) - A simple C++ library for reading and writing audio files. [MIT]
 * [audioFlux](https://github.com/libAudioFlux/audioFlux) - A C library for audio and music analysis, feature extraction. [MIT]
 * [dr_libs](https://github.com/mackron/dr_libs) - Single file audio decoding libraries for C and C++. [Unlicense]
 * [FMOD](http://www.fmod.org/) - An easy to use crossplatform audio engine and audio content creation tool for games. [Free for non-commercial/Commercial]
 * [KFR](https://www.kfrlib.com/) - Fast, modern C++ DSP framework, FFT, FIR/IIR filters, Sample Rate Conversion. [GPL/Commercial]
 * [LAME](https://lame.sourceforge.io/using.php) - LAME is a high quality MPEG Audio Layer III (MP3) encoder. [LGPL]
@@ -153,9 +171,11 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libsoundio](https://github.com/andrewrk/libsoundio) - C library for cross-platform real-time audio input and output. [MIT] [website](http://libsound.io/)
 * [Maximilian](https://github.com/micknoise/Maximilian) - C++ Audio and Music DSP Library. [MIT]
 * [OpenAL](http://www.openal.org/) - Open Audio Library - A crossplatform audio API. [BSD/LGPL/Commercial]
-* [miniaudio](https://github.com/dr-soft/miniaudio) - Single file audio playback and capture library. [Unlicense]
+* [miniaudio](https://github.com/mackron/miniaudio) - Single file audio playback and capture library. [Unlicense] [website](https://miniaud.io/)
 * [ni-media](https://github.com/NativeInstruments/ni-media) - C++ library for reading and writing audio files. [MIT]
 * [Opus](http://opus-codec.org/) - A totally open, royalty-free, highly versatile audio codec. [BSD]
 * [PortAudio](http://www.portaudio.com/) - PortAudio is a free, cross-platform, open-source, audio I/O library. [MIT]
 * [rnnoise](https://github.com/xiph/rnnoise) - Recurrent neural network for audio noise reduction. [BSD-3-Clause]
 * [SELA](https://github.com/sahaRatul/sela) - SimplE Lossless Audio. [MIT]
 * [SoLoud](https://github.com/jarikomppa/soloud) - Easy, portable audio engine for games. [zlib]
 * [Speex](http://www.speex.org/) - A free codec for free speech. Obsoleted by Opus. [BSD]
@@ -183,31 +203,39 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libutp](https://github.com/bittorrent/libutp) - uTorrent Transport Protocol library. [MIT]
 ## Chemistry
-*Chemistry, Geochemistry, Biochemistry*
+*Chemistry, Quantum Chemistry, Solid-State Chemistry/Physics, Geochemistry, Biochemistry*
 * [d-SEAMS](https://github.com/d-SEAMS/seams-core) - A molecular dynamics trajectory analysis engine in C++ and Lua with Nix. It is an acronym for Deferred Structural Elucidation Analysis for Molecular Simulations. [GPL] [website](https://dseams.info)
-* [gromacs](https://github.com/gromacs/gromacs) - A message-passing parallel molecular dynamics implementation. [GPL] [website](http://gromacs.org)
+* [gromacs](https://github.com/gromacs/gromacs) - A message-passing parallel molecular dynamics implementation. [GPL] [website](http://www.gromacs.org)
 * [Reaktoro](https://github.com/reaktoro/reaktoro) - A computational framework in C++ and Python for modeling chemically reactive systems. [LGPL] [website](https://reaktoro.org)
 * [LAMMPS](https://github.com/lammps/lammps) - A classical molecular dynamics code with a focus on materials modeling. It's an acronym for Large-scale Atomic/Molecular Massively Parallel Simulator. [GPL] [website](https://lammps.sandia.gov/)
 * [MADNESS](https://github.com/m-a-d-n-e-s-s/madness) - Multiresolution Adaptive Numerical Environment for Scientific Simulation. [GPL] [website](https://github.com/m-a-d-n-e-s-s/madness)
 * [MPQC](https://github.com/ValeevGroup/mpqc) - The Massively Parallel Quantum Chemistry program, MPQC, computes properties of atoms and molecules from first principles using the time independent Schrödinger equation. [GPL] [website](https://mpqc.org/)
 * [ORCA](https://en.wikipedia.org/wiki/ORCA_(quantum_chemistry_program)) - An ab initio quantum chemistry program package that contains modern electronic structure methods. [Academic] [website](https://orcaforum.kofo.mpg.de/)
 * [Psi](https://github.com/psi4/psi4) - An ab initio computational chemistry package. [GPL] [website](https://psicode.org/)
 ## CLI
 *Console/Terminal User Interface, Command Line Interface*
 * [Argh!](https://github.com/adishavit/argh) - A minimalist, frustration-free, header-only argument handler. [BSD]
 * [Taywee/args](https://github.com/taywee/args) - A simple header-only C++ argument parser library. [MIT]
- * [Boost.Program_options](http://www.boost.org/doc/libs/1_57_0/doc/html/program_options.html) - A library to obtain program options via conventional methods such as command line and config file. [Boost]
+ * [Boost.Program_options](https://github.com/boostorg/program_options) - A library to obtain program options via conventional methods such as command line and config file. [Boost] [website](https://boost.org/libs/program_options)
- * [Clara](https://github.com/catchorg/Clara) - A simple to use, composable, command line parser for C++ 11 and beyond. [BSL-1.0]
+ * [Clara](https://github.com/catchorg/Clara) - A simple to use, composable, command line parser for C++ 11 and beyond. [Boost]
 * [cli](https://github.com/daniele77/cli) - A cross-platform header only C++14 library for interactive command line interfaces (Cisco style). [Boost]
 * [CLI11](https://github.com/CLIUtils/CLI11) - Header only single or multi-file C++11 library for simple and advanced CLI parsing. [BSD]
 * [clipp](https://github.com/muellan/clipp) - Easy to use, powerful and expressive command line argument handling for C++11/14/17 contained in a single header file. [MIT]
 * [jarro2783/cxxopts](https://github.com/jarro2783/cxxopts) - Lightweight C++ command line option parser. [MIT]
 * [docopt.cpp](https://github.com/docopt/docopt.cpp) - A library to generate option parser from docstring. [MIT/Boost]
 * [FINAL CUT](https://github.com/gansm/finalcut) - Library for creating terminal applications with text-based widgets. [LGPL]
 * [gflags](https://gflags.github.io/gflags/) - Commandline flags module for C++. [BSD]
 * [indicators](https://github.com/p-ranav/indicators/) - Activity indicators for Modern C++. [MIT]
 * [linenoise](https://github.com/antirez/linenoise) - A small self-contained alternative to readline and libedit. [BSD-2-Clause]
 * [linenoise-ng](https://github.com/arangodb/linenoise-ng) - A small, portable GNU readline replacement for Linux, Windows and MacOS which is capable of handling UTF-8 characters. [BSD]
 * [Lyra](https://github.com/bfgroup/Lyra) - A simple to use, composable, command line parser for C++ 11 and beyond. [Boost]
 * [Ncurses](http://invisible-island.net/ncurses/) - A terminal user interface. [MIT]
 * [oof](https://github.com/s9w/oof) - Convenient, high-performance RGB color and position control for console output. [MIT]
 * [PDCurses](https://github.com/wmcbrine/PDCurses) - Public domain curses library with both source code and pre-compiled library available. [PublicDomain]
 * [popl](https://github.com/badaix/popl) - A single-header templated command line arguments and ini file parser for C++ 11 and beyond. [MIT]
 * [replxx](https://github.com/AmokHuginnsson/replxx) - A readline and libedit replacement that supports UTF-8, syntax highlighting, hints, works on Unix and Windows. [BSD]
 * [tabulate](https://github.com/p-ranav/tabulate) - Table Maker for Modern C++ [MIT]
 * [TCLAP](http://tclap.sourceforge.net) - A mature, stable and feature-rich library for defining and accessing command line arguments in ANSI C++. [MIT]
@@ -222,6 +250,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [bit7z](https://github.com/rikyoz/bit7z) - A C++ static library offering a clean and simple interface to the 7-zip DLLs. [GPLv2]
 * [Brotli](https://github.com/google/brotli) - Brotli compression format. Developed by Google. [MIT]
 * [bzip2](http://www.bzip.org/) - A freely available, patent free, high-quality data compressor. [BSD]
 * [bzip3](https://github.com/kspalaiologos/bzip3) - A better and stronger spiritual successor to BZip2. [LGPL]
 * [FiniteStateEntropy](https://github.com/Cyan4973/FiniteStateEntropy) - New generation entropy codecs : Finite State Entropy and Huff0.
 * [PhysicsFS](https://icculus.org/physfs/) - A library to provide abstract access to various archives. It is intended for use in video games, and the design was somewhat inspired by Quake 3's file subsystem. [zlib]
 * [KArchive](https://api.kde.org/frameworks/karchive/html/index.html) - A library for creating, reading, writing and manipulating file archives like zip and tar. It also provides transparent compression and decompression of data, using formats like gzip, via a subclass of QIODevice. [LGPL]
@@ -246,7 +275,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [alpaka](https://github.com/ComputationalRadiationPhysics/alpaka) - Abstraction library for parallel kernel acceleration. [LGPLv3+]
 * [ArrayFire](https://github.com/arrayfire/arrayfire) - A general purpose GPU library. [BSD]
 * [Async++](https://github.com/Amanieu/asyncplusplus) - A lightweight concurrency framework for C++11, inspired by the Microsoft PPL library and the N3428 C++ standard proposal. [MIT]
-* [Boost.Compute](https://github.com/boostorg/compute) - A C++ GPU Computing Library for OpenCL. [Boost]
+* [Boost.Compute](https://github.com/boostorg/compute) - A C++ GPU Computing Library for OpenCL. [Boost] [website](https://boost.org/libs/compute)
 * [Bolt](https://github.com/HSA-Libraries/Bolt) - A C++ template library optimized for GPUs. [Apache2]
 * [ck](https://github.com/concurrencykit/ck) - Concurrency primitives, safe memory reclamation mechanisms and non-blocking data structures. [BSD]
 * [concurrentqueue](https://github.com/cameron314/concurrentqueue) - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11. [BSD,Boost]
@@ -272,8 +301,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [NCCL](https://github.com/NVIDIA/nccl) - Optimized primitives for collective multi-GPU communication. [BSD]
 * [OpenCL](https://www.khronos.org/opencl/) - The open standard for parallel programming of heterogeneous systems.
 * [OpenMP](http://openmp.org/) - The OpenMP API.
 * [rotor](https://github.com/basiliscos/cpp-rotor) - Event loop friendly C++ actor micro framework. [MIT]
 * [SObjectizer](https://github.com/Stiffstream/sobjectizer) - An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. [BSD-3-Clause]
-* [Quantum](https://github.com/bloomberg/quantum) - A powerful C++ coroutine dispatcher framework built on top of [boost::coroutines2](https://www.boost.org/doc/libs/1_65_0/libs/coroutine2/doc/html/index.html).
+* [Quantum](https://github.com/bloomberg/quantum) - A powerful C++ coroutine dispatcher framework built on top of [Boost.Coroutine2](https://boost.org/libs/coroutine2).
 * [RaftLib](http://raftlib.io/) - The RaftLib C++ library, streaming/dataflow concurrency via C++ iostream-like operators [Apache2]
 * [readerwriterqueue](https://github.com/cameron314/readerwriterqueue) - A fast single-producer, single-consumer lock-free queue for C++. [BSD]
 * [stdgpu](https://github.com/stotko/stdgpu) - Efficient STL-like Data Structures on the GPU. [Apache2]
@@ -286,9 +316,12 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Configuration
 *Configuration files, INI files*
 * [inifile-cpp](https://github.com/Rookfighter/inifile-cpp) - A header-only and easy to use Ini file parser for C++. [MIT]
 * [inih](https://github.com/benhoyt/inih) - Simple .INI file parser in C, good for embedded systems. [BSD-3-Clause]
 * [inih](https://github.com/jtilly/inih) - Single header only C++ version of [inih](https://github.com/benhoyt/inih). [BSD-3-Clause]
-* [iniparser](https://github.com/ndevilla/iniparser) - INI file parser. [MIT]
+* [ini-cpp](https://github.com/SSARCandy/ini-cpp) - Single header only C++ version, with some handy read/write interface, extend from [inih](https://github.com/benhoyt/inih). [BSD-3-Clause] [website](https://ssarcandy.tw/ini-cpp/index.html)
 * [iniparser](https://github.com/ndevilla/iniparser) - INI file parser. [MIT]*
 * [inipp](https://github.com/mcmtroffaes/inipp) - Simple header-only C++ ini parser and generator. [MIT]
 * [libconfig](https://github.com/hyperrealm/libconfig) - C, C++ library for processing structured configuration files. [LGPL-2.1] [website](https://hyperrealm.github.io/libconfig/)
 * [libconfuse](https://github.com/martinh/libconfuse) - Small configuration file parser library for C. [ISC]
 * [simpleini](https://github.com/brofield/simpleini) - Cross-platform C++ library providing a simple API to read and write INI-style configuration files. [MIT]
@@ -296,10 +329,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Containers
-* [C++ B-tree](https://code.google.com/p/cpp-btree/) - A template library that implements ordered in-memory containers based on a B-tree data structure. [Apache2]
+* [C++ B-tree](https://github.com/algorithm-ninja/cpp-btree) - A template library that implements ordered in-memory containers based on a B-tree data structure. [Apache2]
 * [Colony](https://github.com/mattreecebentley/plf_colony) - An unordered "bag"-type container which outperforms std containers in high-modification scenarios while maintaining permanent pointers to non-erased elements regardless of insertion/erasure. [zLib] [website](http://www.plflib.org/colony.htm)
 * [dynamic_bitset](https://github.com/pinam45/dynamic_bitset) - A C++17 header-only dynamic bitset. [MIT]
 * [Forest](https://github.com/xorz57/forest) - Template library implementing an AVL, a Binary Search, a KD and a Quad Tree. [MIT]
 * [Hashmaps](https://github.com/goossaert/hashmap) - Implementation of open addressing hash table algorithms in C++. [MIT]
 * [Hopscotch map](https://github.com/Tessil/hopscotch-map) - A fast header-only hash map which uses hopscotch hashing for collisions resolution. [MIT]
 * [LSHBOX](https://github.com/RSIA-LIESMARS-WHU/LSHBOX) - A c++ toolbox of locality-sensitive hashing (LSH), provides several popular LSH algorithms, also support Python and MATLAB. [GPL]
@@ -335,21 +367,27 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Tink](https://github.com/google/tink) - A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse. [Apache-2.0]
 * [Tiny AES in C](https://github.com/kokke/tiny-AES-c) - Small portable AES128/192/256 in C. [PublicDomain]
 * [Themis](https://github.com/cossacklabs/themis) - crypto library for painless data security, providing symmetric and asymmetric encryption, secure sockets with forward secrecy, for mobile and server platforms. [Apache2]
 * [HEhub](https://github.com/primihub/HEhub) - A library for homomorphic encryption and its applications. [Apache2]
 ## CSV
 *Libraries for parsing Comma Separated Value (CSV) files*
 * [csv2](https://github.com/p-ranav/csv2) - Fast CSV parser for modern C++. [MIT]
 * [Csv::Parser](https://github.com/ashaduri/csv-parser) - Compile-time and runtime CSV parser written in C++17. [Zlib]
 * [Fast C++ CSV Parser](https://github.com/ben-strasser/fast-cpp-csv-parser) - Small, easy-to-use and fast header-only library for reading CSV files. [BSD-3-Clause]
 * [lazycsv](https://github.com/ashtum/lazycsv) - A fast, lightweight and single-header csv parser for modern C++. [MIT]
 * [Vince's CSV Parser](https://github.com/vincentlaucsb/csv-parser) - A fast, self-contained, streaming C++17 CSV parser with optional type-casting and statistics. [MIT]
 ## Database
 *Database Libraries, SQL Servers, ODBC Drivers, and Tools*
 * [ClickHouse](https://github.com/ClickHouse/clickhouse-cpp) - C++ client for ClickHouse DBMS. [Apache2]
 * [hiberlite](https://github.com/paulftw/hiberlite) - C++ Object-relational mapping for sqlite3. [BSD]
 * [Hiredis](https://github.com/redis/hiredis) - A minimalistic C client library for the Redis database. [BSD]
 * [Kvrocks](https://github.com/apache/incubator-kvrocks) - A distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol. [Apache2]
 * [LevelDB](https://github.com/google/leveldb) - A fast key-value storage library written at Google that provides an ordered mapping from string keys to string values. [BSD]
-* [LMDB](http://symas.com/mdb/) - Very fast embedded key/value store with full ACID semantics. [OpenLDAP]
+* [libpqxx](https://github.com/jtv/libpqxx) - The official C++ client API for PostgreSQL. [BSD-3-Clause]
 * [LMDB](https://www.symas.com/lmdb) - Very fast embedded key/value store with full ACID semantics. [OpenLDAP]
 * [LMDB++](https://github.com/bendiken/lmdbxx) - C++11 wrapper for the LMDB embedded database library. [PublicDomain]
 * [MongoDB C Driver](https://github.com/mongodb/mongo-c-driver) - MongoDB client library for C. [Apache2]
 * [MongoDB C++ Driver](https://github.com/mongodb/mongo-cxx-driver) - C++ driver for MongoDB. [Apache2]
@@ -360,26 +398,30 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [redis3m](https://github.com/luca3m/redis3m) - Wrapper of hiredis with clean C++ interface, supporting sentinel and ready to use patterns. [Apache2]
 * [RocksDB](https://github.com/facebook/rocksdb) - Embedded key-value store for fast storage from facebook. [BSD]
 * [SimDB](https://github.com/LiveAsynchronousVisualizedArchitecture/simdb) - High performance, shared memory, lock free, cross platform, single file, minimal dependencies, C++11 key-value store [Apache2]
-* [SOCI](https://github.com/SOCI/soci) - A database abstraction layer for C++. [BSL-1.0]
+* [SOCI](https://github.com/SOCI/soci) - A database abstraction layer for C++. [Boost]
 * [SQLite](http://www.sqlite.org/) - A completely embedded, full-featured relational database in a few 100k that you can include right into your project. [PublicDomain]
 * [SQLiteC++](https://github.com/SRombauts/SQLiteCpp) - SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper. [MIT]
 * [sqlite_modern_cpp](https://github.com/SqliteModernCpp/sqlite_modern_cpp) - Header only C++14 wrapper around sqlite library. [MIT]
-* [sqlite_orm](https://github.com/fnc12/sqlite_orm) - SQLite ORM light header only library for modern C++. [BSD-3-Clause]
+* [sqlite_orm](https://github.com/fnc12/sqlite_orm) - SQLite ORM light header only library for modern C++. [AGPL + paid MIT]
 * [sqlpp11](https://github.com/rbock/sqlpp11) - A type safe embedded domain specific language for SQL queries and results in C++. [BSD-2-Clause]
 * [TileDB](https://github.com/TileDB-Inc/TileDB) - Fast Dense and Sparse Multidimensional Array DBMS. [MIT] [website](https://tiledb.io/)
 * [UnQLite](https://github.com/symisc/unqlite) - A self-contained, serverless, zero-configuration, transactional NoSQL engine. [BSD-2-Clause] [website](https://unqlite.org/)
 * [upscaledb](https://upscaledb.com) - An embedded "typed" key/value store with a built-in query interface. [GPLv3]
 ## Data visualization
 *Data visiualization Libraries*
 * [matplotplusplus](https://github.com/alandefreitas/matplotplusplus) - C++ Graphics Library for Data Visualization. [MIT] [website](https://alandefreitas.github.io/matplotplusplus/)
 ## Debug
 *Debugging Libraries, Memory Leak and Resource Leak Detection, Unit Testing*
 * [backward-cpp](https://github.com/bombela/backward-cpp) - A beautiful stack trace pretty printer for C++. [MIT]
 * [benchmark](https://github.com/google/benchmark) - Google provided small microbenchmark support library. [Apache2]
-* [Boost.Test](http://www.boost.org/doc/libs/master/libs/test/doc/html/index.html) - Boost Test Library. [Boost]
+* [Boost.Test](https://github.com/boostorg/test) - Boost Test Library. [Boost] [website](https://boost.org/libs/test)
 * [check](https://github.com/libcheck/check) - Check is a unit testing framework for C. [LGPL-2.1] [website](https://libcheck.github.io/check/)
 * [doctest](https://github.com/onqtam/doctest) - The lightest feature rich C++ single header testing framework. [MIT]
-* [Catch](https://github.com/philsquared/Catch) - A modern, C++-native, header-only, framework for unit-tests, TDD and BDD. [Boost]
+* [Catch2](https://github.com/catchorg/Catch2) - A modern, C++-native, header-only, test framework for unit-tests, TDD and BDD. [Boost]
 * [Catch2](https://github.com/catchorg/Catch2) - A modern, C++-native, header-only, test framework for unit-tests, TDD and BDD. [BSL-1.0]
 * [Celero](https://github.com/DigitalInBlue/Celero) - C++ Benchmarking Framework. [Apache2]
 * [CppUTest](https://github.com/cpputest/cpputest) - Unit testing and mocking framework for C/C++. [BSD-3-clause]
 * [CUTE](http://cute-test.com) - C++ Unit Testing Easier. [LGPL3]
@@ -387,24 +429,36 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [CppUnit](http://www.freedesktop.org/wiki/Software/cppunit/) - C++ port of JUnit. [LGPL2]
 * [CTest](https://cmake.org/cmake/help/v2.8.8/ctest.html) - The CMake test driver program. [BSD]
 * [dbg-macro](https://github.com/sharkdp/dbg-macro) - A dbg(…) macro for C++. [MIT]
 * [DebugViewPP](https://github.com/CobaltFusion/DebugViewPP) - Debug logging viewer. [Boost]
 * [Deleaker](http://www.deleaker.com) - A tool for resource leak detection, including memory, GDI and handle leaks.
 * [FakeIt](https://github.com/eranpeer/FakeIt) - Simple mocking framework for C++. [MIT]
 * [fff](https://github.com/meekrosoft/fff) - A micro-framework for creating fake C functions. [MIT]
 * [Google Mock](https://github.com/google/googletest/blob/master/googlemock/README.md) - A library for writing and using C++ mock classes. [BSD]
 * [Google Test](https://github.com/google/googletest) - Google C++ Testing Framework. [BSD]
 * [ig-debugheap](https://github.com/deplinenoise/ig-debugheap) - Multiplatform debug heap useful for tracking down memory errors. [BSD]
 * [libtap](https://github.com/zorgnax/libtap) - Write tests in C. [GPL2]
 * [MemTrack](http://www.almostinfinite.com/memtrack.html) - Tracking memory allocations in C++.
 * [microprofile](https://github.com/jonasmr/microprofile) - Profiler with web-view for multiple platforms. [Unlicense]
 * [MinUnit](https://github.com/siu/minunit) - A minimal unit testing framework for C self-contained in a single header file. [MIT]
 * [Mockator](http://www.mockator.com) - Eclipse CDT plug-in for C++ Seams and Mock Objects.
 * [nanobench](https://github.com/martinus/nanobench) - Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20. [MIT] [website](https://nanobench.ankerl.com)
 * [Nanotimer](https://github.com/mattreecebentley/plf_nanotimer) - A simple low-overhead cross-platform timer class for benchmarking. [zLib] [website](http://www.plflib.org/nanotimer.htm)
 * [Nonius](https://github.com/libnonius/nonius) - A C++ micro-benchmarking framework. [CC]
 * [Remotery](https://github.com/Celtoys/Remotery) - Single C File Profiler with Web Viewer. [Apache2]
 * [snitch](https://github.com/cschreib/snitch) - Lightweight C++20 testing framework. [Boost]
 * [Touca](https://github.com/trytouca/trytouca) - Open-source regression testing system that you can self-host. [Apache2] [website](https://touca.io/)
 * [UnitTest++](https://github.com/unittest-cpp/unittest-cpp) - A lightweight unit testing framework for C++. [MIT/X Consortium license]
 * [Unity](https://github.com/ThrowTheSwitch/Unity) - Simple Unit Testing for C. [MIT]
 * [utest.h](https://github.com/sheredom/utest.h) - Single header unit testing framework for C and C++. [Unlicense]
 * [μt](https://github.com/boost-experimental/ut) - C++20 single header/single module, macro-free μ(micro)/Unit Testing Framework [Boost]
-* [VLD](http://vld.codeplex.com/) - Visual Leak Detector. A free, robust, open-source memory leak detection system for Visual C++.
+* [VLD](https://kinddragon.github.io/vld//) - Visual Leak Detector. A free, robust, open-source memory leak detection system for Visual C++.
 ## Documentation
 * [doxygen](https://github.com/doxygen/doxygen) :zap: - The de facto standard tool for generating documentation from annotated C++ sources. [GPL2] [website](https://www.doxygen.org)
 * [doxyrest](https://github.com/vovkos/doxyrest) - A compiler from Doxygen XML to reStructuredText for Sphinx. [MIT]
 * [hdoc](https://github.com/hdoc/hdoc) - The modern documentation tool for C++. [AGPL/Commercial] [website](https://hdoc.io)
 * [Natural Docs](https://github.com/NaturalDocs/NaturalDocs) - Natural Docs is an open source documentation generator for multiple programming languages. [AGPL/Commercial] [website](https://www.naturaldocs.org)
 * [Sphinx](https://github.com/sphinx-doc/sphinx) - Sphinx makes it easy to create intelligent and beautiful documentation. [BSD-2-Clause] [website](https://www.sphinx-doc.org)
 ## Font
 *Libraries for parsing and manipulating font files.*
@@ -412,6 +466,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Fontconfig](https://gitlab.freedesktop.org/fontconfig/fontconfig) - Font configuration and customization library. [MIT] [website](https://www.freedesktop.org/wiki/Software/fontconfig/)
 * [FreeType](https://www.freetype.org/) - FreeType is a freely available software library to render fonts. [FTL & GPLv2]
 * [otfcc](https://github.com/caryll/otfcc) - A C library and utility used for parsing and writing OpenType font files. [Apache-2.0]
 * [harfbuzz](https://github.com/harfbuzz/harfbuzz) - A text shaping engine [Old MIT]
 ## Game Engine
@@ -428,6 +483,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Halley](https://github.com/amzeratul/halley) - A lightweight game engine written in C++14 with a "true" entity-component system. [Apache 2.0]
 * [KlayGE](https://github.com/gongminmin/KlayGE) - a cross-platform open source game engine with plugin-based architecture. [GPLv2] [website](http://www.klayge.org/)
 * [nCine](https://github.com/nCine/nCine) - A cross-platform 2D game engine with an emphasis on performance, written in C++11 and optionally scriptable in Lua. [MIT] [website](https://ncine.github.io/)
 * [o3de](https://github.com/o3de/o3de) - An open-source, real-time, multi-platform 3D engine based on Amazon Lumberyard. [Apache2] [website](https://o3de.org/)
 * [OpenXRay](https://github.com/OpenXRay/xray-16) - a community-modified X-Ray engine used in S.T.A.L.K.E.R. game series. [Modified BSD/non-commercial only]
 * [Oxygine](http://oxygine.org/) - A cross-platform 2D C++ game engine. [MIT]
 * [Panda3D](https://github.com/panda3d/panda3d) - A game engine, a framework for 3D rendering and game development for Python and C++ programs. [Modified BSD] [website](https://www.panda3d.org/)
@@ -435,8 +491,8 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Polycode](https://github.com/ivansafrin/Polycode) - A cross-platform framework for creative code in C++ (with Lua bindings). [MIT] [website](http://polycode.org/)
 * [raylib](https://github.com/raysan5/raylib) - A simple and easy-to-use library to enjoy videogames programming. [zlib/libpng] [website](http://www.raylib.com/)
 * [Spring](https://github.com/spring/spring) - A powerful free cross-platform RTS game engine. [GPLv2/GPLv3] [website](https://springrts.com/)
-* [Torque2D](https://github.com/GarageGames/Torque2D) - An open-source and cross-platform C++ engine built for 2D game development. [MIT] [website](https://www.garagegames.com/products/torque-2d)
+* [Torque2D](https://github.com/TorqueGameEngines/Torque2D) - An open-source and cross-platform C++ engine built for 2D game development. [MIT] [website](https://torque3d.org/torque2d)
-* [Torque3D](https://github.com/GarageGames/Torque3D) - An open-source C++ engine built for 3D game development. [MIT] [website](https://www.garagegames.com/products/torque-3d)
+* [Torque3D](https://github.com/TorqueGameEngines/Torque3D) - An open-source C++ engine built for 3D game development. [MIT] [website](https://torque3d.org/torque3d)
 * [toy engine](https://github.com/hugoam/toy) - toy is a thin and modular c++ game engine and offers simple expressive c++ idioms to design full featured 2D or 3D games in fast iterations.
 * [Urho3D](https://urho3d.github.io/) - A free lightweight, cross-platform 2D and 3D game engine implemented in C++. Greatly inspired by OGRE and Horde3D. [MIT]
@@ -454,7 +510,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [implot](https://github.com/epezent/implot) - Immediate Mode Plotting widgets for imgui. [MIT]
 * [iup](https://www.tecgraf.puc-rio.br/iup) - Multi-platform toolkit for building graphical user interfaces. [MIT]
 * [libui](https://github.com/andlabs/libui) - Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports. [MIT]
-* [MyGUI](http://mygui.info/) - Fast, flexible and simple GUI. [MIT]
+* [MyGUI](https://github.com/MyGUI/mygui) - Fast, flexible and simple GUI. [MIT]
 * [nana](http://nanapro.org/en-us/) - Nana is a cross-platform library for GUI programming in modern C++ style. [Boost]
 * [NanoGui](https://github.com/mitsuba-renderer/nanogui) - A minimalistic cross-platform widget library for OpenGL 3.x or higher. [BSD]
 * [nuklear](https://github.com/Immediate-Mode-UI/Nuklear) - A single-header ANSI C gui library. [PublicDomain]
@@ -463,7 +519,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [QwtPlot3D](http://qwtplot3d.sourceforge.net/) - A feature-rich Qt/OpenGL-based C++ programming library, providing essentially a bunch of 3D-widgets. [zlib]
 * [RmlUi](https://github.com/mikke89/RmlUi) - The HTML/CSS User Interface library evolved. Fork of libRocket. [MIT]
 * [Sciter](http://sciter.com/) - Sciter is an embeddable HTML/CSS/scripting engine aimed to be used as an UI layer of modern desktop applications. [Free/Commercial]
 * [Slint](https://github.com/slint-ui/slint) - Lightweight GUI toolkit for desktop and embedded. [GPL/Free/Commercial] [website](https://slint-ui.com)
 * [wxWidgets](http://wxwidgets.org/) - A C++ library that lets developers create applications for Windows, Mac OS X, Linux and other platforms with a single code base. [Own LGPL]
 * [xtd](https://github.com/gammasoft71/xtd) - Modern C++17/20 framework to create console (CLI), forms (GUI like WinForms) and tunit (unit tests like Microsoft Unit Testing Framework) applications on Windows, macOS, Linux, iOS and android. [MIT]
 * [Yue](https://github.com/yue/yue) - A library for creating native cross-platform GUI apps. [LGPLv2]
 ## Graphics
@@ -478,6 +536,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [DirectXTK](https://github.com/Microsoft/DirectXTK) - A collection of helper classes for writing DirectX 11.x code in C++. [MIT]
 * [GLFW](https://github.com/glfw/glfw) - A simple, cross-platform OpenGL wrangling library. [zlib/libpng]
 * [GLFWPP](https://github.com/janekb04/glfwpp) - A thin modern C++17 header-only wrapper for GLFW. [MIT]
 * [Harfang 3D](https://github.com/harfang3d/harfang3d) 3D visualization library usable in C++, Python, Lua and Go. Based on BGFX. [GPLv3/LGPLv3/Commercial] [website](https://www.harfang3d.com)
 * [herebedragons](https://github.com/kosua20/herebedragons) - A basic 3D scene implemented with various engines, frameworks or APIs. [MIT] [website](http://simonrodriguez.fr/dragon/)
 * [Horde3D](https://github.com/horde3d/Horde3D) - A small 3D rendering and animation engine. [EPL]
 * [Ion](https://github.com/google/ion) - A small and efficient set of libraries for building cross-platform client or server applications that use 3D graphics. [Apache2] [website](https://google.github.io/ion/)
@@ -492,14 +551,15 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [OpenVDB](http://www.openvdb.org/) - Library and tools for storing, editing, and rendering volumetric datasets. [MPL2]
 * [Panda3D](http://www.panda3d.org/) - A framework for 3D rendering and game development for Python and C++. [BSD]
 * [Partio](https://github.com/wdas/partio) - Library for wrangling particle data, with support for most common file formats. [Modified BSD]
-* [Skia](https://github.com/google/skia) - A complete 2D graphic library for drawing Text, Geometries, and Images. [BSD] [webpage](https://sites.google.com/site/skiadocs/home)
+* [Skia](https://github.com/google/skia) - A complete 2D graphic library for drawing Text, Geometries, and Images. [BSD] [website](https://skia.org/)
 * [TinySpline](https://github.com/msteinbeck/tinyspline) - A small, yet powerful ANSI C library for interpolating, transforming, and querying arbitrary NURBS, B-Splines, and Bézier curves. [MIT]
 * [urho3d](https://github.com/urho3d/Urho3D) - Cross-platform rendering and game engine. [Many different, mostly MIT]
 * [Yocto/GL](https://github.com/xelatihy/yocto-gl) - Tiny C++ Libraries for Data-Driven Physically-based Graphics. [MIT]
 ## Image Processing
-* [Boost.GIL](http://www.boost.org/doc/libs/1_56_0/libs/gil/doc/index.html) - Generic Image Library.
+* [Boost.GIL](https://github.com/boostorg/gil) - Generic Image Library. [Boost] [website](https://boost.org/libs/gil)
 * [BitmapPlusPLus](https://github.com/baderouaich/BitmapPlusPlus) - Simple and Fast header only Bitmap C++ library. [MIT]
 * [CImg](http://cimg.eu/) - A small, open source, C++ toolkit for image processing. [Own LGPL or GPL]
 * [CxImage](https://www.codeproject.com/Articles/1300/CxImage) - An image processing and conversion library to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images. [zlib]
 * [Dlib](https://github.com/davisking/dlib) :zap: - A modern C++11 machine learning, computer vision, numerical optimization, and deep learning toolkit. [Boost] [website](http://dlib.net/)
@@ -512,11 +572,12 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libfacedetection](https://github.com/ShiqiYu/libfacedetection) - Open source library for face detection in images. The face detection speed can reach 1500FPS. [BSD]
 * [libjpeg-turbo](https://github.com/libjpeg-turbo/libjpeg-turbo) - A JPEG image codec that uses SIMD instructions to accelerate baseline JPEG encoding and decoding. [IJG & BSD-3-Clause & zlib] [website](https://libjpeg-turbo.org/)
 * [libvips](https://github.com/jcupitt/libvips) - A fast image processing library with low memory needs. [LGPL] [website](http://www.vips.ecs.soton.ac.uk/)
-* [Magick++](http://www.imagemagick.org/script/api.php) - ImageMagick program interfaces for C++. [Apache2]
+* [Magick++](https://imagemagick.org/script/magick++.php) - ImageMagick program interfaces for C++. [Apache2]
-* [MagickWnd](http://www.imagemagick.org/script/api.php) - ImageMagick program interfaces for C. [Apache2]
+* [MagickWnd](https://imagemagick.org/script/magick-wand.php) - ImageMagick program interfaces for C. [Apache2]
 * [OpenCV](http://opencv.org/) :zap: - Open source computer vision. [BSD]
 * [OpenEXR](http://www.openexr.com/) - Cross-platform library for high dynamic range imaging. [Modified BSDF]
 * [OpenImageIO](https://github.com/OpenImageIO/oiio) - Powerful image and texture wrangling library with support for a wide number of common lossy and RAW formats. [Modified BSD]
 * [SAIL](https://github.com/happy-sea-fox/sail) - Easy-to-use cross-platform image decoding library with pluggable image codecs. [MIT]
 * [Simd](https://github.com/ermig1979/Simd) - C++ image processing library with using of SIMD: SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, VMX(Altivec) and VSX(Power7), NEON for ARM. [MIT]
 * [stb-image](https://github.com/nothings/stb/blob/master/stb_image.h) - STB single-header image loading library. [Public Domain]
 * [tesseract-ocr](https://github.com/tesseract-ocr) - An OCR engine. [Apache2]
@@ -530,16 +591,19 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [gettext](http://www.gnu.org/software/gettext/) - GNU 'gettext'. [GPL2]
 * [IBM ICU](http://site.icu-project.org/) - A set of C/C++ and Java libraries providing Unicode and Globalization support. [ICU]
 * [libiconv](http://www.gnu.org/software/libiconv/) - An encoding conversion library between different character encodings. [GPL]
 * [uni-algo](https://github.com/uni-algo/uni-algo) - Unicode Algorithms Implementation for C/C++. [Unlicense or MIT]
 * [utf8.h](https://github.com/sheredom/utf8.h) - Single header utf8 string functions for C and C++. [Unlicense]
 * [utf8proc](https://github.com/JuliaStrings/utf8proc) - A clean C library for processing UTF-8 Unicode data. [MIT]
 ## Inter-process communication
 * [Apache Thrift](https://thrift.apache.org/) - Efficient cross-language IPC/RPC, works between C++, Java, Python, PHP, C#, and many more other languages. Originally developed by Facebook. [Apache2]
 * [Boost.Interprocess](https://github.com/boostorg/interprocess) - Header-only Boost library that supports kernel-level shared memory and memory-mapped files, with in-built synchronization mechanisms (semaphores, mutexes, and more). [Boost] [website](https://boost.org/libs/interprocess)
 * [Cap'n Proto](https://github.com/capnproto/capnproto) - Fast data interchange format and capability-based RPC system. [MIT] [website](https://capnproto.org/)
 * [eCAL](https://github.com/continental/ecal) - Pub/sub, client/server, C++/Python/C#, various message protocols (protobuf, capnproto ..). [Apache2] [website](http://www.ecal.io/)
 * [gRPC](https://github.com/grpc/grpc) - A high performance, open source, general-purpose RPC framework. [BSD] [website](http://www.grpc.io/)
 * [Ice](https://github.com/zeroc-ice/ice) - Comprehensive RPC framework with support for C++, C#, Java, JavaScript, Python and more. [GPLv2]
 * [iceoryx](https://github.com/eclipse-iceoryx/iceoryx) - True zero-copy inter-process communication framework for safety critical systems with bindings for C, Rust. Runs on Linux, QNX, Windows, Mac OS, FreeBSD. [Apache2] [website](https://iceoryx.io/)
 * [libjson-rpc-cpp](https://github.com/cinemast/libjson-rpc-cpp) - JSON-RPC framework for C++ servers and clients. [MIT]
 * [nanomsg](https://github.com/nanomsg/nanomsg) - A simple high-performance implementation of several "scalability protocols". [MIT] [website](http://nanomsg.org/)
 * [nng](https://github.com/nanomsg/nng) - nanomsg-next-generation, a light-weight brokerless messaging library. [MIT] [website](https://nanomsg.github.io/nng/)
@@ -550,9 +614,10 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## JSON
-* [Boost.PropertyTree](http://www.boost.org/doc/libs/1_55_0/doc/html/property_tree.html) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost]
+* [Boost.PropertyTree](https://github.com/boostorg/property_tree) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost] [website](https://boost.org/libs/property_tree)
 * [cJSON](https://github.com/DaveGamble/cJSON) - Ultralightweight JSON parser in ANSI C. [MIT]
 * [frozen](https://github.com/cesanta/frozen) - JSON parser and generator for C/C++. [GPL & GPL2]
 * [Glaze](https://github.com/stephenberry/glaze) - Extremely fast, in memory, JSON and interface library for modern C++. [MIT]
 * [Jansson](https://github.com/akheron/jansson) - C library for encoding, decoding and manipulating JSON data. [MIT]
 * [jbson](https://github.com/chrismanning/jbson) - jbson is a library for building & iterating BSON data, and JSON documents in C++14. [Boost]
 * [JeayeSON](https://github.com/jeaye/jeayeson) - A very sane (header only) C++ JSON library. [BSD]
@@ -560,11 +625,14 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [json](https://github.com/nlohmann/json) :zap: - JSON for Modern C++. [MIT]
 * [JSON++](https://github.com/hjiang/jsonxx) - A JSON parser in C++. [MIT]
 * [json.h](https://github.com/sheredom/json.h) - A simple one header/one source solution to parsing JSON in C and C++. [Unlicense]
 * [json-build](https://github.com/lcsmuller/json-build) - C89 tiny zero-allocation JSON serializer. [MIT]
 * [json-c](https://github.com/json-c/json-c) - A JSON implementation in C. [MIT]
 * [jsoncons](https://github.com/danielaparker/jsoncons) - A C++ header-only library for JSON and JSON-like binary formats with JSONPointer, JSONPatch, JSONPath and JMESPath. [Boost]
 * [JsonCpp](https://github.com/open-source-parsers/jsoncpp) - A C++ library for interacting with JSON. [MIT]
 * [jsonParse](https://github.com/liufeigit/jsonParse) - A simple JSON parser in ANSI C. [MIT]
 * [json-parser](https://github.com/udp/json-parser) - Very low footprint JSON parser written in portable ANSI C. [BSD]
 * [json11](https://github.com/dropbox/json11) - A tiny JSON library for C++11. [MIT]
 * [json-struct](https://github.com/jorgen/json_struct) - High performance, single header JSON parser parsing to and from C++ structs. [MIT]
 * [json-voorhees](https://github.com/tgockel/json-voorhees) - JSON library for C++. Support for C++11. No dependencies, fast and dev-friendly. [Apache2]
 * [jute](https://github.com/amir-s/jute) - Very simple C++ JSON Parser. [PublicDomain]
 * [libjson](https://github.com/vincenthz/libjson) - A JSON parser and printer library in C. easy to integrate with any model. [LGPL]
@@ -580,12 +648,14 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [taoJSON](https://github.com/taocpp/json) - Zero-dependency C++ header-only JSON library. [MIT]
 * [ujson](https://bitbucket.org/awangk/ujson) - µjson is a a small, C++11, UTF-8, JSON library. [MIT]
 * [YAJL](https://github.com/lloyd/yajl) - A fast streaming JSON parsing library in C. [ISC]
 * [yyjson](https://github.com/ibireme/yyjson) - A high performance JSON library written in ANSI C. [MIT]
 ## Logging
 * [Blackhole](https://github.com/3Hren/blackhole) - Attribute-based logging framework, which is designed to be fast, modular and highly customizable. [MIT]
-* [Boost.Log](http://www.boost.org/doc/libs/1_56_0/libs/log/doc/html/index.html) - Designed to be very modular and extensible. [Boost]
+* [Boost.Log](https://github.com/boostorg/log) - Designed to be very modular and extensible. [Boost] [website](https://boost.org/libs/log)
-* [Easylogging++](https://github.com/easylogging/easyloggingpp) - Extremely light-weight high performance logging library for C++11 (or higher) applications. [MIT] [website](https://muflihun.github.io/easyloggingpp)
+* [Easylogging++](https://github.com/amrayn/easyloggingpp) - Extremely light-weight high performance logging library for C++11 (or higher) applications. [MIT]
 * [fmtlog](https://github.com/MengRao/fmtlog) - A performant fmtlib-style logging library with latency in nanoseconds. [MIT]
 * [G3log](https://github.com/KjellKod/g3log) - Asynchronous logger with Dynamic Sinks. [PublicDomain]
 * [glog](https://github.com/google/glog) - C++ implementation of the Google logging module.
 * [Log4cpp](http://log4cpp.sourceforge.net/) - A library of C++ classes for flexible logging to files, syslog, IDSA and other destinations. [LGPL]
@@ -607,17 +677,20 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Fido](https://github.com/FidoProject/Fido) - A highly-modular C++ machine learning library for embedded electronics and robotics. [MIT] [website](http://fidoproject.github.io/)
 * [flashlight](https://github.com/facebookresearch/flashlight) - A fast, flexible machine learning library from Facebook AI Research written entirely in C++ and based on the ArrayFire tensor library. [BSD-3-Clause] [website](https://fl.readthedocs.io/en/latest/)
 * [libsvm](https://github.com/cjlin1/libsvm) - A simple, easy-to-use, efficient library for Support Vector Machines. [BSD-3-Clause] [website](https://www.csie.ntu.edu.tw/~cjlin/libsvm/)
 * [m2cgen](https://github.com/BayesWitnesses/m2cgen) - A CLI tool to transpile trained classic ML models into a native C code with zero dependencies. [MIT]
 * [MeTA](https://github.com/meta-toolkit/meta) - A modern C++ data sciences toolkit. [MIT] [website](https://meta-toolkit.org/)
 * [Minerva](https://github.com/dmlc/minerva) - A fast and flexible system for deep learning. [Apache2]
 * [mlpack](https://github.com/mlpack/mlpack) - A scalable c++ machine learning library. [LGPLv3] [website](http://www.mlpack.org/)
 * [OpenCV](https://github.com/Itseez/opencv) :zap: - Open Source Computer Vision Library. [BSD] [website](http://opencv.org/)
 * [oneDAL](https://github.com/oneapi-src/oneDAL) - A powerful machine learning library that helps speed up big data analysis. [Apache]
 * [ONNX runtime](https://github.com/microsoft/onnxruntime) - C and C++ library for training and inference ONNX models. ONNX is a standard that AI models can be converted into, regardless of the library they are trained with. [MIT] [website](https://onnxruntime.ai/)
 * [Recommender](https://github.com/GHamrouni/Recommender) - C library for product recommendations/suggestions using collaborative filtering (CF). [BSD]
 * [RNNLIB](https://github.com/szcom/rnnlib) - RNNLIB is a recurrent neural network library for sequence learning problems. [GPLv3]
 * [SHOGUN](https://github.com/shogun-toolbox/shogun) - The Shogun Machine Learning Toolbox. [GPLv3]
 * [sofia-ml](https://code.google.com/p/sofia-ml/) - The suite of fast incremental algorithms for machine learning. [Apache2]
 * [VLFeat](https://github.com/vlfeat/vlfeat) - The VLFeat open source library implements popular computer vision algorithms specialising in image understanding and local featurexs extraction and matching. [BSD-2-Clause] [website](http://www.vlfeat.org/)
 * [xgboost](https://github.com/dmlc/xgboost) - Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Flink and DataFlow. [Apache2]
 * [ncnn](https://github.com/Tencent/ncnn) - A high-performance neural network inference computing framework optimized for mobile platforms. [BSD]
 ## Math
@@ -625,21 +698,26 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Armadillo](https://gitlab.com/conradsnicta/armadillo-code) - Fast C++ library for linear algebra & scientific computing. [Apache2] [website](http://arma.sourceforge.net/)
 * [autodiff](https://github.com/autodiff/autodiff) - A modern, fast and expressive C++ library for automatic differentiation. [MIT] [website](https://autodiff.github.io)
 * [blaze](https://bitbucket.org/blaze-lib/blaze) - high-performance C++ math library for dense and sparse arithmetic. [BSD]
-* [Boost.Multiprecision](http://www.boost.org/doc/libs/master/libs/multiprecision/doc/html/index.html) - provides higher-range/precision integer, rational and floating-point types in C++, header-only or with GMP/MPFR/LibTomMath backends. [Boost]
+* [Boost.Multiprecision](https://github.com/boostorg/multiprecision) - provides higher-range/precision integer, rational and floating-point types in C++, header-only or with GMP/MPFR/LibTomMath backends. [Boost] [website](https://boost.org/libs/multiprecision)
 * [ceres-solver](http://ceres-solver.org/) - C++ library for modeling and solving large complicated nonlinear least squares problems from google. [BSD]
 * [CGAL](https://github.com/CGAL/cgal) - Collection of efficient and reliable geometric algorithms. [LGPL&GPL] [website](http://www.cgal.org/)
 * [cml](http://cmldev.net/) - free C++ math library for games and graphics. [Boost]
 * [CNL](https://github.com/johnmcfarlane/cnl/) - A Compositional Numeric Library for C++. [Boost]
 * [CXXGraph](https://github.com/ZigRazor/CXXGraph) - free C++(17) graph header-only library for representation and algorithms execution. [AGPL-3.0]
 * [DirectXMath](https://github.com/microsoft/DirectXMath) - An all inline SIMD C++ linear algebra library for use in games and graphics apps
 * [Dlib](https://github.com/davisking/dlib) :zap: - A modern C++11 machine learning, computer vision, numerical optimization, and deep learning toolkit. [Boost] [website](http://dlib.net/)
 * [Eigen](http://eigen.tuxfamily.org/) - A high-level C++ library of template headers for linear algebra, matrix and vector operations, numerical solvers and related algorithms. [MPL2]
-* [ExprTK](http://www.partow.net/programming/exprtk/) - The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parser and evaluation engine. [MIT]
+* [ExprTk](https://www.partow.net/programming/exprtk/) - The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parser and evaluation engine. [MIT]
 * [Geometric Tools](https://www.geometrictools.com) - C++ library for computing in the fields of mathematics, graphics, image analysis and physics. [Boost] [website](https://www.geometrictools.com)
 * [GLM](https://github.com/g-truc/glm) - Header-only C++ math library that matches and inter-operates with OpenGL's GLSL math. [MIT] [website](https://glm.g-truc.net/)
 * [GMTL](http://ggt.sourceforge.net/) - Graphics Math Template Library is a collection of tools implementing Graphics primitives in generalized ways. [GPL2]
 * [GMP](https://gmplib.org/) - A C library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. [LGPL3 & GPL2]
 * [Klein](https://github.com/jeremyong/klein) - A fast, SIMD-optimized C++17 Geometric Algebra library for point, line, and plane projections, intersections, joins, rigid-body motion, and more. [MIT] [website](https://jeremyong.com/klein)
 * [linalg.h](https://github.com/sgorsten/linalg) - Single header, public domain, short vector math library for C++. [Unlicense]
 * [MatX](https://github.com/NVIDIA/MatX) - A GPU-accelerated C++17 numerical computing library with a MATLAB/Python-like syntax [BSD 3-clause]
 * [MIRACL](https://github.com/CertiVox/MIRACL) - A Multiprecision Integer and Rational Arithmetic Cryptographic Library. [AGPL]
-* [muparser](http://beltoforion.de/article.php?a=muparser) - muParser is an extensible high performance math expression parser library written in C++. [MIT]
+* [NumCpp](https://github.com/dpilger26/NumCpp) - A templatized header only C++ implementation of the Python Numpy library. [MIT]
 * [muparser](https://beltoforion.de/en/muparser) - muParser is an extensible high performance math expression parser library written in C++. [MIT]
 * [LibTomMath](https://github.com/libtom/libtommath) - A free open source portable number theoretic multiple-precision integer library written entirely in C. [PublicDomain & WTFPL] [website](http://www.libtom.net/)
 * [linmath.h](https://github.com/datenwolf/linmath.h) - A lean linear math library, aimed at graphics programming. [WTFPL]
 * [lp_solve](https://sourceforge.net/projects/lpsolve) - A library used to formulate and solve linear programming problems. [LGPL] [website](http://lpsolve.sourceforge.net)
@@ -651,9 +729,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [TinyExpr](https://github.com/codeplea/tinyexpr) - A C library for parsing and evaluating math expressions from strings. [zlib]
 * [Vc](https://github.com/VcDevel/Vc) - SIMD Vector Classes for C++. [BSD]
 * [Versor](http://versor.mat.ucsb.edu/) - A (fast) Generic C++ library for Geometric Algebras, including Euclidean, Projective, Conformal, Spacetime (etc).
-* [Wykobi](http://www.wykobi.com/) - A C++ library of efficient, robust and simple to use C++ 2D/3D oriented computational geometry routines. [MIT]
+* [Wykobi](https://www.wykobi.com) - A C++ library of efficient, robust and simple to use C++ 2D/3D oriented computational geometry routines. [MIT]
-* [xtensor](https://github.com/QuantStack/xtensor) - A C++14 library for numerical analysis with multi-dimensional array expressions, inspired by NumPy syntax. [BSD 3-clause] [website](http://quantstack.net/xtensor)
+* [xtensor](https://github.com/xtensor-stack/xtensor) - A C++14 library for numerical analysis with multi-dimensional array expressions, inspired by NumPy syntax. [BSD 3-clause] [website](https://xtensor-stack.github.io/xtensor)
-* [universal](https://github.com/stillwater-sc/universal) - A C++14 header-only library implementing arbitrary posit arithmetic. The posit number system is a tapered floating point that is more efficient than IEEE floating point. Posits enable reproducible computational science. [MIT license] [website](http://www.stillwater-sc.com/assets/content/stillwater-universal-sw.html)
+* [universal](https://github.com/stillwater-sc/universal) - A C++14 header-only library implementing arbitrary posit arithmetic. The posit number system is a tapered floating point that is more efficient than IEEE floating point. Posits enable reproducible computational science. [MIT license]
 ## Memory Allocation
@@ -664,6 +742,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [memory](https://github.com/foonathan/memory) - STL compatible C++ memory allocator library. [ZLib]
 * [memory-allocators](https://github.com/mtrebi/memory-allocators) - Custom memory allocators to improve the performance of dynamic memory allocation. [MIT]
 * [mimalloc](https://github.com/microsoft/mimalloc) - A compact general purpose allocator with excellent performance. [MIT]
 * [rpmalloc](https://github.com/mjansson/rpmalloc) - Cross platform lock free thread caching 16-byte aligned memory allocator implemented in C. [PublicDomain]
 * [snmalloc](https://github.com/microsoft/snmalloc) - Message passing based high-performance allocator. [MIT]
 * [TCMalloc](https://github.com/google/tcmalloc) - Google's fast, multi-threaded malloc implementation. [Apache-2.0] [website](https://google.github.io/tcmalloc/)
 * [tgc](https://github.com/orangeduck/tgc) - A tiny garbage collector for C written in \~500 LOC. [BSD]
 ## Multimedia
@@ -682,18 +763,18 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Networking
 * [ACE](http://www.dre.vanderbilt.edu/~schmidt/ACE.html) - An OO Network Programming Toolkit in C++. [?MIT?]
-* [Boost.Asio](http://think-async.com/) :zap: - A cross-platform C++ library for network and low-level I/O programming. [Boost]
+* [Boost.Asio](https://github.com/boostorg/asio) :zap: - A cross-platform C++ library for network and low-level I/O programming. [Boost] [website](https://boost.org/libs/asio)
-* [Boost.Beast](https://github.com/boostorg/beast) :zap: - HTTP and WebSocket built on Boost.Asio in C++11. [BSL-1.0] [website](https://www.boost.org/libs/beast)
+* [Boost.Beast](https://github.com/boostorg/beast) :zap: - HTTP and WebSocket built on Boost.Asio in C++11. [Boost] [website](https://www.boost.org/libs/beast)
 * [Breep](https://github.com/Organic-Code/Breep) - Event based, high-level C++14 peer-to-peer library. [EUPL-1.1 (OSI approved)]
 * [C++ REST SDK](https://github.com/Microsoft/cpprestsdk) - C++ REST SDK (previously named Casablanca). [Apache2]
 * [Restbed](https://github.com/corvusoft/restbed) - C++11 Asynchronous RESTful framework. [AGPL]
 * [Restinio](https://github.com/Stiffstream/restinio) - A header-only C++14 library that gives you an embedded HTTP/Websocket server. [BSD]
 * [c-ares](https://github.com/c-ares/c-ares) - A C library for asynchronous DNS requests. [MIT]
-* [cpp-httplib](https://github.com/yhirose/cpp-httplib) - A single file C++11 header-only HTTP/HTTPS sever library. [MIT]
+* [cpp-httplib](https://github.com/yhirose/cpp-httplib) - A single file C++11 header-only HTTP/HTTPS server library. [MIT]
 * [cpp-netlib](http://cpp-netlib.org/) - A collection of open-source libraries for high level network programming. [Boost]
-* [cpp-netlib/uri](https://github.com/cpp-netlib/uri) - URI parser/builder library for C++, compatible with RFC 3986 and RFC 3987. [BSL-1.0]
+* [cpp-netlib/uri](https://github.com/cpp-netlib/uri) - URI parser/builder library for C++, compatible with RFC 3986 and RFC 3987. [Boost]
 * [CppServer](https://github.com/chronoxor/CppServer) - Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution. [MIT]
-* [cpr](https://github.com/whoshuu/cpr) - A modern C++ HTTP requests library with a simple but powerful interface. Modeled after the Python Requests module. [MIT] [website](https://whoshuu.github.io/cpr/)
+* [cpr](https://github.com/whoshuu/cpr) - A modern C++ HTTP requests library with a simple but powerful interface. Modeled after the Python Requests module. [MIT] [website](https://docs.libcpr.org)
 * [curlcpp](https://github.com/JosephP91/curlcpp) - An object oriented C++ wrapper for CURL(libcurl). [MIT]
 * [DPDK](https://github.com/DPDK/dpdk) - Data Plane Development Kit, libraries and drivers for fast packet processing. [BSD-3-Clause & GPL-2.0] [website](https://www.dpdk.org/)
 * [Dyad.c](https://github.com/rxi/dyad) - Asynchronous networking for C. [MIT]
@@ -709,6 +790,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libquic](https://github.com/devsisters/libquic) - A QUIC protocol library extracted from Chromium's QUIC Implementation. [BSD]
 * [librdkafka](https://github.com/edenhill/librdkafka) - Apache Kafka client library for C and C++. [BSD-2-Clause]
 * [libwebsockets](https://github.com/warmcat/libwebsockets) - A lightweight pure C WebSocket implementation that provides both client and server libraries. [LGPL2.1 + static link exception] [website](https://libwebsockets.org/)
 * [Lithium](https://matt-42.github.io/lithium/) - Build high performance C++ HTTP servers without being a C++ expert. [MIT]
 * [lwIP](http://savannah.nongnu.org/projects/lwip/) - A lightweight TCP/IP stack. [Modified BSD]
 * [Mongoose](https://github.com/cesanta/mongoose) - Extremely lightweight webserver. [GPL2]
 * [MQTT-C](https://github.com/LiamBindle/MQTT-C) - A portable MQTT C client for embedded systems and PCs alike. [MIT] [website](https://liambindle.ca/MQTT-C)
@@ -723,7 +805,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [RakNet](https://github.com/OculusVR/RakNet) - A cross platform, open source, C++ networking engine for game programmers. [BSD]
 * [restclient-cpp](https://github.com/mrtazz/restclient-cpp) - Simple REST client for C++. It wraps libcurl for HTTP requests. [MIT]
 * [Seasocks](https://github.com/mattgodbolt/seasocks) - Simple, small, C++ embeddable webserver with WebSockets support. [BSD]
 * [Silicon](http://siliconframework.org) - A high performance, middleware oriented C++14 http web framework. [MIT]
 * [tlse](https://github.com/eduardsui/tlse) - Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library [BSD-2-Clause]
 * [Tufão](https://github.com/vinipsmaker/tufao) - An asynchronous web framework for C++ built on top of Qt. [LGPL2]
 * [uriparser](https://github.com/uriparser/uriparser) - Strictly RFC 3986 compliant URI parsing and handling library. [BSD-3-Clause]
@@ -755,6 +836,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [LiquidFun](https://github.com/google/liquidfun) - A 2D physics engine for games. [BSD-like]
 * [Newton Dynamics](https://github.com/MADEAPPS/newton-dynamics) - An integrated solution for real time simulation of physics environments. [zlib]
 * [ODE](http://www.ode.org/) - Open Dynamics Engine - An open source, high performance library for simulating rigid body dynamics. [BSD&LGPL]
 * [Kratos](https://github.com/KratosMultiphysics/Kratos) - framework for building parallel, multi-disciplinary simulation software, aiming at modularity, extensibility, and high performance. [BSD] [website](http://www.cimne.com/kratos/)
 * [ofxBox2d](https://github.com/vanderlin/ofxBox2d) - openFrameworks wrapper for Box2D. [BSD-like]
 * [PhysX](https://github.com/NVIDIAGameWorks/PhysX-3.4) - An open-source realtime physics engine middleware SDK developed by Nvidia as a part of Nvidia GameWorks software suite. [BSD-3-Clause]
 * [Project Chrono](https://github.com/projectchrono/chrono) - An open source multi-physics simulation engine. [BSD-3-Clause] [website](https://projectchrono.org/)
@@ -764,17 +846,21 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Reflection
 * [config-loader](https://github.com/netcan/config-loader) - A C++17 static reflection framework, from parse configuration file to native data structure. [MIT]
 * [Better Enums](https://github.com/aantron/better-enums) - Reflective enums (to string, iteration). Single header. [BSD] [website](http://aantron.github.io/better-enums/)
-* [clReflect](https://bitbucket.org/dwilliamson/clreflect) - C++ Reflection using clang. [MIT]
+* [clReflect](https://github.com/Celtoys/clReflect) - C++ Reflection using clang. [MIT]
-* [CPFG](https://github.com/cpgf/cpgf) - A C++03 library for reflection, callback and script binding. [Apache2] [website](http://www.cpgf.org/)
+* [CPFG](https://github.com/cpgf/cpgf) - A C++03 library for reflection, callback and script binding. [Apache2]
 * [CPP-Reflection](https://github.com/AustinBrunkhorst/CPP-Reflection) - C++ Reflection using clang. [MIT]
 * [Easy Reflection](https://github.com/chocolacula/easy_reflection_cpp) - Easy and fast reflection + serialization solution like in Rust, Java or Go. [Apache]
 * [Magic Enum](https://github.com/Neargye/magic_enum) - Header-only C++17 library provides static reflection for enums (to string, from string, iteration), work with any enum type without any macro or boilerplate code. [MIT]
 * [magic_get](https://github.com/apolukhin/magic_get) - std::tuple like methods for user defined types without any macro or boilerplate code. [Boost]
 * [meta](https://github.com/skypjack/meta) - Header-only, non-intrusive and macro-free runtime reflection system in C++. [MIT]
 * [Nameof](https://github.com/Neargye/nameof) - Header-only C++17 library provides nameof macros and functions to obtain the simple name of variable, type, function, macro, and enum. [MIT]
 * [Ponder](https://github.com/billyquith/ponder) - A C++11 library for reflection. [MIT]
 * [RTTR](https://github.com/rttrorg/rttr) - A C++11 library for reflection. [MIT] [website](http://www.rttr.org)
-* [visit_struct](https://github.com/cbeck88/visit_struct) - A miniature library for struct-field reflection in C++. [BSL-1.0]
+* [TSMP](https://github.com/fabian-jung/tsmp) - An intrusion and macro-free C++20 library for static reflection. It uses libclang to extract reflection data from your source code and makes it usable via template specialization. [MIT]
 * [visit_struct](https://github.com/cbeck88/visit_struct) - A miniature library for struct-field reflection in C++. [Boost]
 * [Refureku](https://github.com/jsoysouvanh/Refureku) - A C++17 runtime reflection and code generation library. [MIT]
 ## Regular Expression
@@ -796,12 +882,15 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Robotics Library (RL)](http://www.roboticslibrary.org/) - A self-contained C++ library for robot kinematics, motion planning and control. [BSD]
 * [RobWork](https://gitlab.com/sdurobotics/RobWork) - A collection of C++ libraries for simulation and control of robot systems. [Apache2] [website](http://www.robwork.dk/)
 * [ROS](http://wiki.ros.org/) - Robot Operating System provides libraries and tools to help software developers create robot applications. [BSD]
 * [Ruckig](https://github.com/pantor/ruckig) - Real-time motion generation for robots and machines. [MIT] [website](https://ruckig.com)
 * [YARP (Yet Another Robot Platform)](https://github.com/robotology/yarp) - Library and toolkit for communication and device interfaces. [BSD-3-Clause] [website](http://www.yarp.it/)
 ## Scientific Computing
 * [AMGCL](https://github.com/ddemidov/amgcl) - a header-only C++ library for solving large sparse linear systems with algebraic multigrid. [MIT]
 * [FFTW](http://www.fftw.org/) - A C library for computing the DFT in one or more dimensions. [GPL]
 * [GSL](http://www.gnu.org/software/gsl/) - GNU scientific library. [GPL]
 * [preCICE](https://github.com/precice/precice) - Coupling library for partitioned multi-physics simulations (FSI, CHT, and more). [LGPL] [website](https://precice.org/)
 * [TileDB](https://github.com/TileDB-Inc/TileDB) - Fast Dense and Sparse Multidimensional Array DBMS. [MIT] [website](https://tiledb.io/)
 * [Trilinos](https://github.com/trilinos/Trilinos) - High performance PDE solvers. [BSD]
 * [Torch](https://github.com/torch/torch7) - A scientific computing framework with wide support for machine learning algorithms that puts GPUs first. [BSD-3-Clause] [website](http://torch.ch/)
@@ -809,13 +898,13 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Scripting
 * [AngelScript](https://www.angelcode.com/angelscript/) - AngelScript is a game-oriented interpreted/compiled scripting language. [zlib]
-* [Boost.Python](http://www.boost.org/doc/libs/1_65_1/libs/python/doc/html/index.html) - A C++ library which enables seamless interoperability between C++ and the Python programming language. [Boost]
+* [Boost.Python](https://github.com/boostorg/python) - A C++ library which enables seamless interoperability between C++ and the Python programming language. [Boost] [website](https://boost.org/libs/python)
 * [cppimport](https://github.com/tbenthompson/cppimport) - Import C++ files directly from Python! [MIT]
 * [CppSharp](https://github.com/mono/CppSharp) - Tools and libraries to glue C/C++ APIs to high-level languages. [MIT]
 * [ChaiScript](https://github.com/ChaiScript/ChaiScript/) - An easy to use embedded scripting language for C++. [BSD] [website](http://chaiscript.com/)
 * [ctypes.sh](https://github.com/taviso/ctypes.sh) - A foreign function interface for bash. [MIT]
 * [Cython](https://github.com/cython/cython) - Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language (based on Pyrex). It makes writing C extensions for Python as easy as Python itself. [Apache] [website](http://cython.org/)
-* [djinni](https://github.com/dropbox/djinni) - A tool for generating cross-language type declarations and interface bindings. [Apache2]
+* [djinni](https://djinni.xlcpp.dev) - A tool for generating cross-language type declarations and interface bindings. [Apache2]
 * [Duktape](https://github.com/svaarala/duktape) - An embeddable Javascript engine with compact footprint. [MIT] [website](http://duktape.org)
 * [JavaCpp](https://github.com/bytedeco/javacpp) - The missing bridge between Java and native C++. [Apache2]
 * [libffi](https://github.com/libffi/libffi) - A portable foreign-function interface library. [MIT] [website](https://sourceware.org/libffi/)
@@ -836,12 +925,14 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Bitsery](https://github.com/fraillt/bitsery) - Header only C++ binary serialization library. [MIT]
 * [Bond](https://github.com/Microsoft/bond) - An open source, cross-platform framework for working with schematized data. [MIT]
-* [Boost.Serialization](https://www.boost.org/doc/libs/master/libs/serialization/doc/index.html) - Boost Serialization Library. [Boost]
+* [Boost.Serialization](https://github.com/boostorg/serialization) - Boost Serialization Library. [Boost] [website](https://boost.org/libs/serialization)
 * [Cap'n Proto](https://github.com/capnproto/capnproto) - Fast data interchange format and capability-based RPC system. [MIT] [website](https://capnproto.org/)
 * [cereal](https://github.com/USCiLab/cereal) - A C++11 library for serialization. [BSD]
 * [cista](https://github.com/felixguendling/cista) - A C++17 library for zero-copy high-performance (de-)serialization. [MIT]
 * [cppcodec](https://github.com/tplgy/cppcodec) - Header-only C++11 library to encode/decode base64, base32 and hex with consistent, flexible API. [MIT]
 * [FastBinaryEncoding](https://github.com/chronoxor/FastBinaryEncoding) - Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift. [MIT]
 * [FlatBuffers](https://github.com/google/flatbuffers) - A Memory efficient serialization library. [Apache2]
 * [Kaitai Struct](http://kaitai.io) - A declarative language to describe various binary data structures and a compiler to generate C++ parser code. [GPLv3+][MIT][Apache2]
 * [MessagePack](https://github.com/msgpack/msgpack-c) - Efficient binary serialization format "like JSON" for C and C++. [Apache2] [website](http://msgpack.org/)
 * [mrpt-serialization](https://github.com/mrpt/mrpt/) - Versioned serialization to binary or text formats. [BSD] [website](https://docs.mrpt.org/reference/latest/group_mrpt_serialization_grp.html)
 * [nanopb](https://github.com/nanopb/nanopb) - Small code-size Protocol Buffers implementation in ANSI C. [Zlib]
@@ -850,6 +941,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [SimpleBinaryEncoding](https://github.com/real-logic/simple-binary-encoding) - encoding and decoding application messages in binary format for low-latency applications. [Apache2]
 * [upb](https://github.com/protocolbuffers/upb) - A small protobuf implementation in C. [BSD]
 * [YAS](https://github.com/niXman/yas) - Very fast **Y**et **A**nother **S**erialization library supports the binary/text/json formats. [Boost]
 * [zpp_bits](https://github.com/eyalz800/zpp_bits) - Actually, the fastest modern **S**erialization library. Just check [this video](https://www.youtube.com/watch?v=G7-GQhCw8eE&ab_channel=CppCon).
 ## Sorting
@@ -862,7 +954,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libvpx](http://www.webmproject.org/code/) - VP8/VP9 Codec SDK. [BSD]
 * [FFmpeg](https://www.ffmpeg.org/) - A complete, cross-platform solution to record, convert and stream audio and video. [LGPL2/GPL2]
 * [libde265](https://github.com/strukturag/libde265) - Open h.265 video codec implementation. [LGPL] [website](http://www.libde265.org/)
-* [x265](https://bitbucket.org/multicoreware/x265/wiki/Home) - Open h.265 video codec implementation. [GPL2] [website](https://x265.readthedocs.io/en/default/)
+* [x265](https://bitbucket.org/multicoreware/x265_git/src) - Open h.265 video codec implementation. [GPL2] [website](https://x265.readthedocs.io/en/master/)
 * [OpenH264](https://github.com/cisco/openh264) - Open Source H.264 Codec. [BSD] [website](http://www.openh264.org/)
 * [Theora](http://www.theora.org/) - A free and open video compression format. [BSD]
 * [Vireo](https://github.com/twitter/vireo/) - A lightweight and versatile video processing library by Twitter. [MIT]
@@ -878,7 +970,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Civetweb](https://github.com/civetweb/civetweb) - Provides easy to use, powerful, C/C++ embeddable web server with optional CGI, SSL and Lua support. [MIT]
 * [C++ REST SDK](https://github.com/Microsoft/cpprestsdk) - Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. [MIT]
 * [CppCMS](http://cppcms.com/) - A Free High Performance Web Development Framework (not a CMS). [LGPLv3]
-* [Crow](https://github.com/ipkn/crow) - Crow is C++ micro web framework (inspired by Python Flask). [BSD]
+* [Crow](https://github.com/CrowCpp/Crow) - Crow is a C++ microframework for running web services. It uses routing similar to Python's Flask. [BSD] [website](https://crowcpp.org)
 * [Cutelyst](https://github.com/cutelyst/cutelyst) - A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework. [LGPLv2.1+] [website](https://cutelyst.org/)
 * [Drogon](https://github.com/an-tao/drogon) - A C++14/17 based, high-performance HTTP application framework. [MIT]
 * [facil.io](https://github.com/boazsegev/facil.io) - Evented, high performance C web framework supporting HTTP, WebSockets, SSE and more. [MIT] [website](http://facil.io)
@@ -889,12 +981,13 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Pistache](http://pistache.io/) - Pistache is a C++ REST framework written in pure C++11 with no external dependency. [Apache2]
 * [QDjango](https://github.com/jlaine/qdjango/) - A web framework written in C++ and built on top of the Qt library. Where possible it tries to follow django's API, hence its name. [LGPL]
 * [TreeFrog Framework](https://github.com/treefrogframework/treefrog-framework) - High-speed and full-stack web application framework based on C++ and Qt, which supports HTTP and WebSocket protocol (with O/R mapping). [BSD] [website](http://www.treefrogframework.org/)
 * [userver](https://github.com/userver-framework/userver) - Asynchronous C++17 framework with a rich set of abstractions and database drivers for fast and comfortable creation of efficient microservices, services and utilities. [Apache-2.0] [website](https://userver.tech/)
 * [Wt](http://www.webtoolkit.eu/wt) - A C++ library for developing web applications. [GPL/Commercial]
 ## XML
 *XML is crap. Really. There are no excuses. XML is nasty to parse for humans, and it's a disaster to parse even for computers. There's just no reason for that horrible crap to exist. - Linus Torvalds*
-* [Boost.PropertyTree](http://www.boost.org/doc/libs/1_55_0/doc/html/property_tree.html) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost]
+* [Boost.PropertyTree](https://github.com/boostorg/property_tree) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost] [website](https://boost.org/libs/property_tree)
 * [Expat](http://www.libexpat.org/) - An XML parser library written in C. [MIT]
 * [Libxml2](http://xmlsoft.org/) - The XML C parser and toolkit of Gnome. [MIT]
 * [libxml++](http://libxmlplusplus.sourceforge.net/) - An XML Parser for C++. [LGPL2]
@@ -906,15 +999,26 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [TinyXML++](https://github.com/rjpcomputing/ticpp) - A completely new interface to TinyXML that uses MANY of the C++ strengths. Templates, exceptions, and much better error handling. [MIT]
 * [Xerces-C++](http://xerces.apache.org/xerces-c/) - A validating XML parser written in a portable subset of C++. [Apache2]
 ## Yaml
 * [mini-yaml](https://github.com/jimmiebergmann/mini-yaml) - Single header YAML 1.0 C++11 serializer/deserializer. [MIT]
 * [yaml-cpp](https://github.com/jbeder/yaml-cpp) - A YAML parser and emitter in C++ [MIT]
 * [rapidyaml](https://github.com/biojppm/rapidyaml) - Rapid YAML is a C++ library to parse and emit YAML [MIT]
 ## Miscellaneous
 *Useful libraries or tools that don't fit in the categories above or maybe just not categorised yet*
 * [access_profiler](https://github.com/arvidn/access_profiler) - A tool to count accesses to member variables in c++ programs. [GPL3]
 * [American fuzzy lop](http://lcamtuf.coredump.cx/afl/) a.k.a. afl-fuzz - Crazy fuzzing tool that automatically discovers bugs given time and minimal example input. [Apache2]
 * [Argon2](https://github.com/P-H-C/phc-winner-argon2) - The password hash Argon2, winner of PHC. [CC0/Apache2]
 * [Better String](http://bstring.sourceforge.net) - An alternative to the string library for C which is more functional and does not have buffer overflow overrun problems. Also includes a C++ wrapper. [BSD, GPL2]
-* [Boost.Signals](http://www.boost.org/doc/libs/1_56_0/doc/html/signals.html) - An implementation of a managed signals and slots system. [Boost]
+* [Boost.Signals2](https://github.com/boostorg/signals2) - An implementation of a managed signals and slots system. [Boost] [website](https://boost.org/libs/signals2)
 * [Cheat Sheets of HackingCPP](https://hackingcpp.com/cpp/cheat_sheets.html) - Cool cheat sheets and infographics for algorithms, views, containers, randomness, etc.
 * [Concord](https://github.com/Cogmasters/concord) - A Discord API wrapper library written in C. [MIT] [website](https://cogmasters.github.io/concord)
 * [CPPItertools](https://github.com/ryanhaining/cppitertools) - Range-based for loop add-ons inspired by the Python builtins and itertools library. [BSD-2-Clause]
 * [D++ (DPP)](https://github.com/brainboxdotcc/DPP) - A lightweight, high performance and scalable C++ library for creating Discord Bots. [Apache2] [website](https://dpp.dev)
 * [DynaMix](https://github.com/iboB/dynamix) - A library which allows you to compose and modify objects at run time. [MIT]
 * [fccf](https://github.com/p-ranav/fccf) - A command-line tool that recursively searches a directory to find C/C++ source code matching a search string. [MIT]
 * [{fmt}](https://github.com/fmtlib/fmt) :zap: - Small, safe and fast formatting library for C++. [Simplified BSD]
 * [FastFormat](http://www.fastformat.org) - Fast, Safe C++ Formatting inspired by log4j and Pantheios [Simplified BSD]
 * [casacore](https://code.google.com/p/casacore/) - A set of c++ core libraries derived from aips++. [LGPL]
@@ -922,9 +1026,10 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [cxx-prettyprint](https://github.com/louisdx/cxx-prettyprint) - A pretty printing library for C++ containers. [Boost]
 * [icecream-cpp](https://github.com/renatoGarcia/icecream-cpp) - A small printing library for debugging purposes. [MIT]
 * [gcc-poison](https://github.com/leafsr/gcc-poison) - A simple header file for developers to ban unsafe C/C++ functions from applications.
 * [jwt-cpp](https://github.com/Thalhammer/jwt-cpp) - A header only library for creating and validating JSON web tokens in C++. [MIT]
 * [Kangaru](https://github.com/gracicot/kangaru) - A dependency injection container for C++11 and C++14. [MIT]
 * [Klib](https://github.com/attractivechaos/klib) - Small and lightweight implementations of common algorithms and data structures. [MIT]
-* [libsigc++](http://libsigc.sourceforge.net/) - A typesafe callback system for standard C++. [LGPL]
+* [libsigc++](https://github.com/libsigcplusplus/libsigcplusplus) - A typesafe callback system for standard C++. [LGPL] [website](https://libsigcplusplus.github.io/libsigcplusplus)
 * [libcpuid](https://github.com/anrieff/libcpuid) - A small C library for x86 CPU detection and feature extraction. [BSD]
 * [libevil](https://github.com/avati/libevil) - The Evil License Manager. [GPLv3]
 * [libnih](https://github.com/keybuk/libnih) - A lightweight library of C functions and structures. [GPL2.1]
@@ -940,9 +1045,9 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [sigslot](http://sigslot.sourceforge.net/) - C++ Signal/Slot Library. [PublicDomain]
 * [SimpleSignal](https://github.com/larspensjo/SimpleSignal) - High performance C++11 signals. [PublicDomain]
 * [Stage](https://github.com/rtv/Stage) - Mobile robot simulator. [GPL2]
-* [stdman](https://github.com/jeaye/stdman) Formatted C++11/14 stdlib man pages (from cppreference). [MIT]
+* [stdman](https://github.com/jeaye/stdman) - A tool that parses archived HTML files from [cppreference](https://cppreference.com) and generates groff-formatted manual pages for Unix-based systems. [MIT]
 * [stb](https://github.com/nothings/stb) :zap: - A range of single-file libraries for C/C++. [PublicDomain]
-* [StrTk](http://www.partow.net/programming/strtk/index.html) - A C++ library consisting of high performance string processing routines. [MIT]
+* [StrTk](https://www.partow.net/programming/strtk/index.html) - A C++ library consisting of high performance string processing routines. [MIT]
 * [Tulip Indicators](https://tulipindicators.org) - A C library of over 100 financial technical analysis indicators. [LGPL]
 * [ub-canaries](https://github.com/regehr/ub-canaries) - A collection of C/C++ programs that try to get compilers to exploit undefined behavior.
 * [value-category-cheatsheet](https://github.com/jeaye/value-category-cheatsheet) A PDF cheatsheet for lvalues, rvalues, and the like. [Jank copyleft]
@@ -950,6 +1055,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [ZBar](http://zbar.sourceforge.net/) - A barcode scanner library, which allows to scan photos/images/video streams for barcodes and return their value. [LGPL2]
 * [ZXing](https://github.com/zxing/zxing/) - An open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. [Apache]
 * [pprint](https://github.com/p-ranav/pprint) - Pretty Printer for Modern C++. [MIT]
 * [pspsdk](https://github.com/pspdev/pspsdk) - An open-source SDK for PSP homebrew development. [BSD/GNU GPL3]
 # Software
 *Software for creating a development environment.*
@@ -964,7 +1070,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [PCC](http://pcc.ludd.ltu.se/) - A very old C compiler. Supports C99.
 * [Intel C++ Compiler](https://software.intel.com/en-us/c-compilers) - Developed by Intel.
 * [LLVM](http://llvm.org/) - Collection of modular and reusable compiler and toolchain technologies.
-* [Microsoft Visual C++](https://msdn.microsoft.com/en-us/vstudio/hh386302.aspx) - MSVC, developed by Microsoft.
+* [Microsoft Visual C++](https://docs.microsoft.com/en-us/cpp/dotnet/dotnet-programming-with-cpp-cli-visual-cpp?view=msvc-160) - MSVC, developed by Microsoft.
 * [Open WatCom](https://github.com/open-watcom) - Watcom C, C++, and Fortran cross compilers and tools. [Sybase Open Watcom Public License]
 * [Oracle Solaris Studio](http://www.oracle.com/technetwork/server-storage/solarisstudio/overview/index.html) - C, C++ and Fortran compiler for SPARC and x86. Supports C++11. Available on Linux and Solaris. [OTN Developer License]
 * [TCC](http://bellard.org/tcc/) - Tiny C Compiler. [LGPL]
@@ -972,16 +1078,19 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 ## Online Compiler
 *List of online C or C++ compilers*
 * [codechef](https://www.codechef.com/ide) - A simple online compiler CodeChef.
 * [codepad](http://codepad.org/) - An online compiler/interpreter, and a simple collaboration tool.
 * [coliru](http://coliru.stacked-crooked.com/) - Online compiler/shell with support for various C++ compilers.
 * [Compiler Explorer](http://gcc.godbolt.org/) - An interactive compiler with assembly output available.
 * [CompileOnline](http://www.tutorialspoint.com/codingground.htm) - Compile and Execute C++ online on Linux.
 * [Ideone](http://ideone.com/) - An online compiler and debugging tool which allows you to compile source code and execute it online in more than 60 programming languages.
 * [Programiz](https://www.programiz.com/cpp-programming/online-compiler) - An online compiler for learners and developers.
 * [repl.it](https://repl.it) - A powerful yet simple tools and platforms for educators, learners, and developers.
 * [Rextester](http://rextester.com/runcode) - Online compiler which provides several compilers(Clang, GCC, MSVC) and several editors.
 * [Try It Online](https://tio.run/) - TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
-* [Wandbox](http://melpon.org/wandbox/) - An online Clang/GCC compiler with Boost available.
+* [Wandbox](https://wandbox.org) - An online Clang/GCC compiler with Boost available.
 * [paiza.io](https://paiza.io/en) - An online C/C++ compiler with multiple files supporting feature, Github(gist) integration and collaborative editing.
 * [InterviewBit](https://www.interviewbit.com/online-cpp-compiler/) - A simple and easy to use online C++ compiler.
 ## Debugger
 *List of C or C++ debuggers*
@@ -1005,6 +1114,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [color_coded](https://github.com/jeaye/color_coded) - A vim plugin for libclang-based highlighting. [MIT]
 * [Dev-C++](http://sourceforge.net/projects/orwelldevcpp/) - A portable C/C++/C++11 IDE.
 * [Eclipse CDT](http://www.eclipse.org/cdt/) - A fully functional C and C++ IDE based on the Eclipse platform.
 * [Embarcadero Dev-CPP](https://github.com/Embarcadero/Dev-Cpp) - A fork of Dev-C++ that comes preinstalled with new themes and modern compilers. [GPLv2] [website](https://www.embarcadero.com/free-tools/dev-cpp)
 * [Geany](http://www.geany.org/) - Small, fast, cross-platform IDE. [GPL]
 * [IBM VisualAge](http://www-03.ibm.com/software/products/en/visgen) - A family of computer integrated development environments from IBM.
 * [Irony-mode](https://github.com/Sarcasm/irony-mode) - A C/C++ minor mode for Emacs powered by libclang.
@@ -1024,6 +1134,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Bazel](https://bazel.build) - A multi-language, fast and scalable build system from Google. [Apache]
 * [Bear](https://github.com/rizsotto/Bear) - A tool to generate compilation database for clang tooling. [GPLv3]
 * [Buck](https://github.com/facebook/buck) - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages including C++ developed and used at Facebook. Written in Java. [Apache]
 * [build2](https://build2.org/) - cross-platform build, packaging and dependency management toolchain for developing and packaging C/C++ projects. [MIT]
 * [clib](https://github.com/clibs/clib) - Package manager for the C programming language. [MIT]
 * [CMake](https://cmake.org/) - Cross-platform free and open-source software for managing the build process of software using a compiler-independent method. [BSD]
 * [Cget](https://github.com/pfultz2/cget) - Cmake package retrieval. [Boost] [website](http://cget.readthedocs.io)
@@ -1041,7 +1152,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [tup](http://gittup.org/tup/) - File-based build system that monitors in the background for changed files.
 * [Premake](http://premake.github.io) - A tool configured with a Lua script to generate project files for Visual Studio, GNU Make, Xcode, Code::Blocks, and more across Windows, Mac OS X, and Linux.
 * [Vcpkg](https://github.com/microsoft/vcpkg) - C++ library manager for Windows, Linux, and MacOS. [MIT]
-* [waf](https://github.com/waf-project/waf) - Python-based framework for configuring, compiling and installing applications. [BSD] [website](https://waf.io/)
+* [waf](https://gitlab.com/ita1024/waf) - Python-based framework for configuring, compiling and installing applications. [BSD] [website](https://waf.io/)
 * [XMake](https://xmake.io/) - A C/C++ cross-platform build utility based on Lua. [Apache]
 ## Static Code Analysis
@@ -1059,6 +1170,8 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Linticator](http://linticator.com) - Eclipse CDT integration of Pc-/FlexeLint.
 * [IKOS](https://github.com/NASA-SW-VnV/ikos) - Static analyzer for C/C++ based on the theory of Abstract Interpretation. [NOSA 1.3]
 * [List of tools for static code analysis](https://en.wikipedia.org/wiki/List_of_tools_for_static_code_analysis#C.2FC.2B.2B) - A list of tools for static code analysis from Wikipedia.
 * [OptView2](https://github.com/OfekShilon/optview2) - Inspect missed Clang optimizations
 * [Trunk](https://trunk.io) - Toolkit to check, test, merge, and monitor code.
 ## Coding Style Tools
@@ -1099,10 +1212,16 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 *Fantastic C or C++ related books.*
 * [List of Free C or C++ Books](https://github.com/fffaraz/awesome-cpp/blob/master/books.md)
-* [Free C Books](https://github.com/EbookFoundation/free-programming-books/blob/master/books/free-programming-books.md#c) - vhf/free-programming-books/C.
+* [Free C Books](https://github.com/EbookFoundation/free-programming-books/blob/main/books/free-programming-books-langs.md#c) - vhf/free-programming-books/C.
-* [Free C++ Books](https://github.com/EbookFoundation/free-programming-books/blob/master/books/free-programming-books.md#c-1) - vhf/free-programming-books/C++.
+* [Free C++ Books](https://github.com/EbookFoundation/free-programming-books/blob/main/books/free-programming-books-langs.md#cpp) - vhf/free-programming-books/C++.
 * [cppbestpractices](https://github.com/lefticus/cppbestpractices) - Collaborative Collection of C++ Best Practices.
 ## Coding Standards
 * [Cert C++](https://resources.sei.cmu.edu/downloads/secure-coding/assets/sei-cert-cpp-coding-standard-2016-v01.pdf)
 * [Misra C++ 2008](https://www.cppdepend.com/misra-cpp)
 * [Autosar C++ 2014](https://www.autosar.org/fileadmin/standards/adaptive/21-11/AUTOSAR_RS_CPP14Guidelines.pdf)
 ## Coding Style
 * [C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines) - "Official" set of C++ guidelines, reviewed by the author of C++.
@@ -1135,6 +1254,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [C++ Programming Tutorials Playlist](https://www.youtube.com/playlist?list=PLAE85DE8440AA6B83) - TheNewBoston Official Buckys C++ Programming Tutorials Playlist.
 * [C++ Programming Tutorials from thenewboston](https://www.youtube.com/playlist?list=PLF541C2C1F671AEF6) - These are all of thenewboston's C++ programming tutorials.
 * [C++ GUI with Qt Playlist](https://www.youtube.com/playlist?list=PLD0D54219E5F2544D) - Official Playlist for thenewboston C++ GUI with Qt tutorials.
 * [Caleb Curry's C Programming Tutorials](https://www.youtube.com/playlist?list=PL_c9BZzLwBRKKqOc9TJz1pP0ASrxLMtp2) - An all-in-one playlist of tutorials for C programming.
 * [C Programming Tutorials](https://www.youtube.com/playlist?list=PL78280D6BE6F05D34) - All of TheNewBoston's C programming tutorials are right here.
 * [Bo Qian's playlist](https://www.youtube.com/user/BoQianTheProgrammer/playlists) - Boost Library, C++ Standard Library, Modern C++, Advanced C++, Advanced STL, ...
@@ -1142,19 +1262,24 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 *Useful C or C++ related websites.*
 * [Standard C++](https://isocpp.org/) :zap: - News, Status & Discussion about Standard C++.
 * [Build Bench](https://build-bench.com/) - Compare C++ Builds
 * [Quick Bench](https://quick-bench.com/) - Quick C++ Benchmarks
 * [CppCon](http://cppcon.org/) - The C++ Conference.
-* [C++ reference](http://cppreference.com/) - C++98, C++03, C++11, C++14 reference.
+* [C++ reference](https://cppreference.com) - A complete online reference for the C and C++ languages and standard libraries.
 * [C++ by Example](http://www.cbyexample.com/) - Learn C++ by Example.
 * [cplusplus.com](http://www.cplusplus.com/) - The C++ Resources Network.
 * [C FAQ](http://c-faq.com/) - C frequently asked questions.
 * [C++ FAQ](http://www.parashift.com/c++-faq/) - C++ frequently asked questions.
 * [C++ FQA Lite](http://yosefk.com/c++fqa/) - C++ frequently questioned answers.
 * [C++ Quiz](https://cppquiz.org) - A simple online quiz that you can use to test your knowledge of the C++ programming language.
 * [Guru of the Week](http://www.gotw.ca/gotw/) - A regular series of C++ programming problems created and written by Herb Sutter.
 * [Meeting C++](http://meetingcpp.com/)
-* [C++ Quiz](http://q.viva64.com/) - C++ quiz in which you propose to find errors in code fragments of open source projects.
+* [PVS-Studio’s challenge](https://quiz.pvs-studio.com) - PVS-Studio’s C++ quiz in which you're asked to find errors in code fragments of open source projects.
 * [Udemy C++ Courses and Tutorials](https://www.udemy.com/topic/C-plus-plus-tutorials/)
 * [C++ Hints](http://cpphints.com/) - Every business day hints about most often C++ mistakes and ways to solve them from PVS-Studio Team.
 * [C++ tutorial](https://hackr.io/tutorials/learn-c-plus-plus) - A user ranked online tutorial bank site displaying multiple courses to learn C++ from.
 * [C++ Tutorial for Beginners](https://www.scaler.com/topics/cpp) - A comprenhensive tutorial on C++ curated by trained experts.
 * [cppexpert.online](https://cppexpert.online) - Learn the best C++ practices by improving code snippets with some problems or with bad practices.
 ## Weblogs
 *Useful C or C++ related weblogs.*
@@ -1170,7 +1295,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Bartek's Coding Blog](https://www.bfilipek.com/?m=1)
 * [Kenny Kerr](https://kennykerr.ca/articles/)
 * [Sutter’s Mill](https://herbsutter.com/gotw/)
 * [thoughts on cpp](https://thoughts-on-cpp.com/)
 * [Vorbrodt's C++ Blog](https://vorbrodt.blog/)
 * [foonathan::blog()](https://foonathan.net/index.html)
@@ -1179,7 +1303,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [algorithms](https://github.com/xtaci/algorithms) - Algorithms & Data Structures in C++.
 * [c-algorithms](https://github.com/fragglet/c-algorithms) - C algorithms library.
 * [C++ Awesome Pack](https://github.com/juniandotnet/cpp-awesome-pack) - Contains some awesome c++ codes, packed in one.
 * [30 Seconds of C++](https://github.com/Bhupesh-V/30-seconds-of-cpp)
 # Other Awesome Lists
@@ -1189,7 +1312,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) - A curated list of awesome awesomeness.
 * [awesome](https://github.com/sindresorhus/awesome) :zap: - A curated list of awesome lists.
 * [C++ links](https://github.com/MattPD/cpplinks) - A categorized list of C++ resources.
 * [Awesome C++](https://getawesomeness.herokuapp.com/get/cpp) - getAwesomeness()'s mirror.
 * [Awesome C++](https://cpp.libhunt.com/) - LibHunt's mirror.
 * [Awesome C](https://notabug.org/koz.ross/awesome-c) 1
 * [Awesome C](https://github.com/aleksandar-todorovic/awesome-c) 2
@@ -1199,11 +1321,20 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Inqlude](http://inqlude.org/) - The Qt library archive.
 * [papers-we-love](https://github.com/papers-we-love/papers-we-love) - Papers from the computer science community to read and discuss.
 * [awesome-algorithms](https://github.com/tayllan/awesome-algorithms) - A curated list of awesome places to learn and/or practice algorithms.
 * [awesome-hpp](https://github.com/p-ranav/awesome-hpp) - A curated list of awesome header-only C++ libraries.
 * [awesome-talks](https://github.com/JanVanRyswyck/awesome-talks) - A lot of screencasts, recordings of user group gatherings and conference talks.
 * [Projects](https://github.com/karan/Projects) - A list of practical projects that anyone can solve in any programming language.
 * [Awesome interview questions](https://github.com/MaximAbramchuck/awesome-interviews) - A list of lists of interview questions for the most popular technologies, including C and C++.
 * [nothings/single_file_libs](https://github.com/nothings/single_file_libs) :zap: - List of single-file C/C++ libraries.
 # Jobs
 * This list is currently empty, but you can add to it by opening a merge request.
 # Sponsors
 * Please reach out if you are interested in sponsoring this repo. Your company's name and logo will be prominently displayed here.
 # Contributing
 Please take a quick gander at the [contribution guidelines](https://github.com/fffaraz/awesome-cpp/blob/master/CONTRIBUTING.md) for details.
 Thanks to all [contributors](https://github.com/fffaraz/awesome-cpp/graphs/contributors); you rock!
--- a/README.md.bak
+++ b/README.md.bak
--- a/books.md
+++ b/books.md
@@ -1,7 +1,7 @@
 ## C
-* [A Tutorial on Pointers and Arrays in C](http://home.netcom.com/~tjensen/ptr/pointers.htm)
+* [A Tutorial on Pointers and Arrays in C](https://sites.cs.ucsb.edu/~mikec/cs16/misc/ptrtut12/pointers.htm)
 * [Advanced Linux Programming](http://www.advancedlinuxprogramming.com/)
 * [Beej's Guide to C Programming](http://beej.us/guide/bgc/)
 * [Beej's Guide to Network Programming](http://beej.us/guide/bgnet/)
@@ -25,7 +25,7 @@
 * [C++ GUI Programming With Qt 3](http://www.computer-books.us/cpp_0010.php)
 * [C++ Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/cplusplus) (PDF, Kindle) *(Just fill the fields with any values)*
 * [CS106X Programming Abstractions in C++](http://www.stanford.edu/class/cs106x/)
-* [Data Structures and Algorithms with Object-Oriented Design Patterns in C++](http://www.brpreiss.com/books/opus4/index.html)
+* [Data Structures and Algorithms with Object-Oriented Design Patterns in C++](https://book.huihoo.com/data-structures-and-algorithms-with-object-oriented-design-patterns-in-c++/html/)
 * [Financial Numerical Recipes in C++](http://finance.bi.no/~bernt/gcc_prog/recipes/) - Bernt Arne Ødegaard
 * [Game Programming Patterns](http://gameprogrammingpatterns.com/)
 * [Google's C++ Style Guide](https://google.github.io/styleguide/cppguide.html)
--- a/videos.md
+++ b/videos.md
@@ -1,4 +1,5 @@
 * [Modern C++: What You Need to Know](https://www.youtube.com/watch?v=TJHgp1ugKGM) - This talk will give an update on recent progress and near-future directions for C++, both at Microsoft and across the industry. This is a great introduction to the current state of the language, including a glimpse into the future of general purpose, performance-intensive, power-friendly, powerful native programming. [Apr 7, 2014]
 * [Bjarne Stroustrup - The Essence of C++](https://www.youtube.com/watch?v=86xWVb4XIyE) - Bjarne Stroustrup, creator and developer of C++, delivers his talk entitled, The Essence of C++. Stroustrup has held distinguished posts at Texas A&M University and spent significant time in the Computer Science Departments of Cambridge, Columbia and Princeton. [May 6, 2014]
-
+* [CppCon - The C++ Conference](https://www.youtube.com/user/CppCon/) - An international conference about C++ and its aplications on modern software engineering.
 * [C++Now - The C++ Conference](https://www.youtube.com/@BoostCon) - An international conference about C++ and its aplications on modern software engineering.