diff --git a/readme.md b/readme.md
index 949bcd6..5cd976e 100644
--- a/readme.md
+++ b/readme.md
@@ -72,6 +72,7 @@ Inspired by the [awesome](https://github.com/sindresorhus/awesome) list thing.
 - [js-git](https://github.com/creationix/js-git) - JavaScript implementation of Git.
 - [NodeOS](http://node-os.com) - The first operating system powered by npm.
 - [limdu](https://github.com/erelsgl/limdu) - Machine-learning framework.
+- [Cytoscape.js](http://js.cytoscape.org) - Graph theory (a.k.a. network) modeling and analysis.
 
 
 ### Command-line apps