diff --git a/dotnet-developer-projects.md b/dotnet-developer-projects.md
index d852296..4212ae7 100644
--- a/dotnet-developer-projects.md
+++ b/dotnet-developer-projects.md
@@ -58,6 +58,7 @@ There are many .NET open source developer projects. You can always use a search
  * [DotNetOpenAuth](https://github.com/DotNetOpenAuth) - Library that adds support for your site visitors to login with their OpenIDs by just dropping an ASP.NET control onto your page.
  * [DynamicData](https://github.com/RolandPheasant/DynamicData) - Brings the power of Rx to collections
  * [EasyNetQ](https://github.com/mikehadlow/EasyNetQ) - An easy to use .NET API for RabbitMQ.
+ * [ExtraLINQ](https://github.com/mariusschulz/ExtraLINQ) - Various extension methods for working with .NET collections.
  * [FeatureToggle](https://github.com/jason-roberts/FeatureToggle) - Simple, reliable feature toggles in .NET.
  * [FluentBootstrap](https://github.com/somedave/FluentBootstrap)
  * [FluentValidation](https://github.com/JeremySkinner/FluentValidation) - A small validation library for .NET that uses a fluent interface and lambda expressions for building validation rules.