diff --git a/todo.txt b/todo.txt
index ea36812..e0ceb65 100644
--- a/todo.txt
+++ b/todo.txt
@@ -33,6 +33,8 @@ https://github.com/psi-im/libpsi
 
 https://github.com/CopernicaMarketingSoftware
 
+http://www.swig.org/
+
 QUIC & UDT
 
 ====================