diff --git a/todo.txt b/todo.txt
index aabb96f..1c4a7c2 100644
--- a/todo.txt
+++ b/todo.txt
@@ -320,6 +320,10 @@ http://www.yeppp.info/
 https://github.com/AnthonyCalandra/modern-cpp-features
 
 https://github.com/nothings/single_file_libs
+https://github.com/vurtun/mmx
+https://github.com/vurtun/nuklear
+https://github.com/richgel999/miniz
+https://github.com/johnezang/pithy
 
 A simple Minecraft clone written in C using modern OpenGL (shaders).
 https://github.com/fogleman/Craft