This document lists several C# integrated development environments (IDEs) including SharpDevelop, C# Studio, MonoDevelop, and XACC.IDE. It also provides 5 websites for C# resources: csharpfriends.com, csharp-source.net, thai-cs.spaces.live.com, msdn.microsoft.com/en-us/vcsharp/default.aspx, and twoguru.com/playground/cs_tutorial/index.htm. The websites are listed twice.

1. C# IDE

2. SharpDevelop

3. C# Studio

4. MonoDevelop

5. XACC.IDE

6. WEB SITES
 http://www.csharpfriends.com
 http://csharp-source.net
 http://thai-cs.spaces.live.com
 http://msdn.microsoft.com/enus/vcsharp/default.aspx
 http://www.twoguru.com/playground/
cs_tutorial/index.htm

7. WEB SITES
 http://www.csharpfriends.com
 http://csharp-source.net
 http://thai-cs.spaces.live.com
 http://msdn.microsoft.com/enus/vcsharp/default.aspx
 http://www.twoguru.com/playground/
cs_tutorial/index.htm