1. 大名鼎鼎的CodeGuru 号称代码领头羊
非常著名的关于程序开发的网站,大量的资料.强烈推荐
http://www.codeguru.com/ - 外文
2. Developer.com: An EarthWeb site
http://www.developer.com/ - 外文
3. programming resources in various categories
http://www.programmingsite.co.uk/ - 外文
4. C# Corner
C-Sharp C#.NET CSharp VB.NET ASP.NET Visual Studio .NET Jobs Consulting.非常专业的C#编程网站,强烈推荐
http://c-sharpcorner.com/ - 外文
5. The Code Project - Free Source Code and Tutorials
这个站点也许是开发者常提在嘴边的网站，它提供大量的原传文章，提供大量代码，并且网站涉及一切关于microsoft相关开发,强烈推荐
http://www.codeproject.com/ - 外文
6. 计算机开发文档英雄贴
大量的编程开发 文档.
http://www.chinadir.net/ - 中文
7. DevCentral
Check out the best 100% free tutorials and articles on the web for the software development community. It doesn't matter if you are a student or a professional software engineer, DevCentral has content to match everything from learning C to Java Class Loaders. DevCentral provides all these self paced tutorials, technology articles, and downloads for everyone to enjoy for free.
http://devcentral.iticentral.com/default.php - 外文
8. 中文c#技术站
http://www.chinacs.net/ - 中文
9. C# C Sharp and Tutorials on C# Friends.com
http://www.csharpfriends.com/ - 外文
10. RFC-Editor Webpage
进行网络开发的必备资料.
http://www.rfc-editor.org/ - 外文
11. Developer Fusion
We've got hundreds of pages of VB, ASP, .NET and C++ tutorials and source code. We hope you enjoy your visit!
http://www.developerfusion.co.uk/ - 外文
12. Visual Basic and C# Users Web Site
http://www.vbusers.com/home.asp - 外文
13. C# C Sharp Help : For C# Developers
有名的关于C#网站，大量的文章与代码下载。
http://www.csharphelp.com/ - 外文
14. C# Corner: C-Sharp C#.NET CSharp VB.NET ASP.NET Visual Studio .NET Jobs Consulting
Very nice resource site for C# and .NET developers. Prenty of source code samples, tutorials, articles, news, and downloads.
http://www.c-sharpcorner.com/ - 外文
15. DevASP.NET for ASP.NET, VB.NET, XML and C# (C-Sharp) Developers
http://www.devasp.net/ - 外文
16. 中国DotNet俱乐部
.Net社区—包括 C#,VB,ASP,Delphi,VC,MS SQL Server,C++,JAVA,JSP
http://www.chinaaspx.com/ - 中文
17. 小雨第二课堂:C# ASP.NET学习网站
http://www.xyhhxx.com/ - 中文
18. the one stop programmers resource
Welcome to programmershelp, on this site you will find various resources for programming languages such as c, c++, visual basic, java, php, perl, asp and javascript to name but a few. Source code, forums, tutorials, scripts articles, downloads, book links we have it.
http://www.programmershelp.co.uk/ - 外文
19. 【孟子E章】之.NET开发者园地
http://dotnet.aspx.cc/ - 中文
20. C#学习站 Lzhm.net
http://www.lzhm.net/ - 中文
21. Visual Basic and C# Users Web Site
http://www.vbusers.com/ - 外文
22. C# / C Sharp examples (example source code) Orgainzed in Topic into Categories
http://www.java2s.com/Code/CSharp/CatalogCSharp.htm - 外文