diff --git a/dotnet-developer-projects.md b/dotnet-developer-projects.md
index b3bdd14..3bba3ba 100644
--- a/dotnet-developer-projects.md
+++ b/dotnet-developer-projects.md
@@ -78,7 +78,9 @@ There are many .NET open source developer projects. You can always use a search
  * [SharpSnmpLib](https://sharpsnmplib.codeplex.com) - An easy-to-use SNMP library for use on all platforms (.NET/Mono/Xamarin)
  * [Splat](https://github.com/paulcbetts/splat) - A library to make things cross-platform that should be.
  * [SSH.NET](https://sshnet.codeplex.com/) - A client-side library for SSH, SCP and SFTP.
+ * [SuperSocket](https://github.com/kerryjiang/SuperSocket) - An extensible socket server engine which supports .NET and Mono
  * [WebApiProxy](https://github.com/faniereynders/WebApiProxy) - An automatic proxy provider for RESTful services built on ASP.NET Web API. Includes JavaScript & C# client generation.
+ * [WebSocket4Net](https://websocket4net.codeplex.com/) - A C# websocket client for .NET, Mono and Xamarin
  * [WpfToolkit](https://github.com/dotnetprojects/wpftoolkit) - Fork of the MS WPF Toolkit
 
 * Graphics & Server-side Image Processing