diff --git a/dotnet-developer-projects.md b/dotnet-developer-projects.md
index 54de9e3..35a70d5 100644
--- a/dotnet-developer-projects.md
+++ b/dotnet-developer-projects.md
@@ -99,6 +99,7 @@ Please sort projects alphabetically and provide a one-line description. GitHub/C
  * [HudlFfmpeg](https://github.com/hudl/HudlFfmpeg) - A/V transcoding framework that helps build complex FFmpeg commands.
  * [JSON.NET](https://github.com/JamesNK/Newtonsoft.Json) - Popular high-performance JSON framework for .NET
  * [Kentor.AuthServices](https://github.com/KentorIT/authservices) - A SAML2 Service Provider for .NET.
+ * [Language-ext](https://github.com/louthy/language-ext) - C# 6.0+ functional language extensions. Make C# more like F# and other functional languages
  * [LibGit2Sharp](https://github.com/libgit2/libgit2sharp)
  * [Lucene.Net](https://github.com/apache/lucene.net)
  * [MahApps.Metro](https://github.com/MahApps/MahApps.Metro) - A toolkit for creating metro-style WPF applications.