diff --git a/README.md b/README.md
index 5275b836..89ca35fd 100644
--- a/README.md
+++ b/README.md
@@ -150,6 +150,7 @@ For example:
 * [CELLO](http://libcello.org/)
 * [C GENERIC CONTAINER LIBRARY](https://github.com/ta5578/C-Generic-Container-Library)
 * [COLLECTIONS-C](https://github.com/srdja/Collections-C)
+* [CONCURRENCY KIT](https://github.com/concurrencykit/ck)
 * [CTEMPLATES](https://github.com/farhiongit/Ctemplates)
 * [GDB internal library](https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob;f=gdb/common/vec.h;h=41e41b5b22c9f5ec14711aac35ce4ae6bceab1e7;hb=HEAD)
 * [GDSL - The Generic Data Structures Library](http://home.gna.org/gdsl/)
@@ -157,6 +158,7 @@ For example:
 * [Generic-Container-Lib](https://github.com/Siapran/Generic-Container-Lib)
 * [GLIB](https://wiki.gnome.org/Projects/GLib)
 * [KLIB](https://github.com/attractivechaos/klib)
+* [LIBCHASTE](https://github.com/mgrosvenor/libchaste)
 * [LIBCOLLECTION](https://bitbucket.org/manvscode/libcollections)
 * [LIBCONTAINER](http://www.agottem.com/libcontainer)
 * [LIBDICT](https://github.com/fmela/libdict)