diff --git a/docs/content/Users.fsx b/docs/content/Users.fsx
index dc57f27e..1596c9ef 100644
--- a/docs/content/Users.fsx
+++ b/docs/content/Users.fsx
@@ -27,6 +27,7 @@ Open Source
 Closed Source
 -------------
 
+* [C# Pad](http://www.csharppad.com)
 * [Instarange Simulation](http://instarange.com) by Instarange (Pty) Ltd
 * [SpectraFox](http://www.spectrafox.com/) STM / AFM spectroscopy analysis
 * [Colymp](http://colymp.com/) Color Management Software