我了解的CodePlex中得开源项目

一、BlogEngine.NET

    BlogEngine.NET may be the simplest and most light weight ASP.NET blog at the moment, but still full featured. Here are some of the features:

二、Web Service Software Factory

  一个关于Wcf技术的开源项目。

三、patterns & practices SharePoint Guidance

 四、patterns & practices Performance Testing Guidance for Web Applications