http://www.asp.net/

The ASP .NET Community site contains valuable information for every ASP .NET developer. Every day the home page is updated with links to articles related to ASP .NET and many developers worldwide discuss on many different ASP .NET related topics in the forums. The site also features a control gallery (free and commercial web controls), tutorials, source projects, resources, ... And, important, this site is the home of ASP .NET Web Matrix and the ASP .NET Starter Kits.

http://www.windowsforms.net/

The Windows Forms Community site is the counterpart of the ASP .NET Community site and contains valuable information for Windows Forms developers. The site hosts a discussion forum, a control gallery, an extensive list of articles (grouped by target), samples, case studies and much more.

http://www.gotdotnet.com/

Part of the mission of GotDotNet is to facilitate collaboration between the .NET technology makers and the developers. It is impossible to describe everything that is offered on this site. The site also has an exclusive part of this site: you can visit the home pages/web logs (http://www.gotdotnet.com/team/) of many of the .NET team members like Don Box, Chris Anderson, Eric Gunnerson, etc.. Certainly worth a visit!

http://www.gotdotnet.com/team/architecture/

Join the architects, designers, and developers representing many industries and organizations (including Microsoft) in collaboration on topics in architecture and design. This new portal serves the broad architect and developer community that are developing enterprise applications on .NET.

http://www.codeproject.com/

The Code Project is a community of Visual Studio .NET developers joined together with a common goal: to learn, to teach and to have fun programming. Developers from all over the world come together to help their fellow programmers by sharing source code, tutorials and knowledge for free.

http://www.gotdotnet.com/content/featuredsite/netrocks/

Carl Franklin and Mark Dunn interview .NET experts and other industry movers and shakers, and answer your .NET questions on the air, all for the purpose of bringing you insights into .NET technology, the marketplace, and the state of software development in general. .NET Rocks already featured many .NET gurus like Ingo Rammer, Chris Sells, Datagrid Girl (Marcie Robillard), Brent Rector, Juval Löwy and many more. The weekly show is downloadable in MP3 format

http://www.devx.com/

DevX is the leading provider of technical information and services that enable corporate application development teams to efficiently conquer development challenges and keep projects moving. We are committed to leading the market by offering customers timely, vital resources and superior services designed to enhance their efforts of applying new technologies and techniques.

http://www.dotnetjunkies.com/

DotNetJunkies.com is a destination web site that is a resource for the emerging Microsoft ASP.NET community. Their positioning within the .NET community allows them to bring educational materials and tools to developers in the ASP.NET development arena while allowing unparalleled, immediate interaction between developers and experts in this new framework.

http://www.ftponline.com/

FTPOnline is the online home for Visual Studio Magazine and .NET Magazine content and communities. The site provides how-to articles, code, product information, discussions, weekly e-newsletters and much more for .NET developers.

http://www.dotnet247.com/

Explore .NET 247! This community site, the first independent .NET Programmers Reference, takes the best .NET content out there and organizes it in a way best suited to finding solutions to your .NET problems.

http://www.4guysfromrolla.com/

Explore 4GuysFromRolla! Find out what other developers have to say about ASP.NET through user tips, message boards, and live chats on this community site.

http://www.c-sharpcorner.com/

C# Corner: a free online community site provides latest on .NET including jobs, tutorials, source code samples, links, discussions, and recommended books and products.

http://www.develop.com/

Learn .NET from the experts at DevelopMentor! At Develop.com you can join a list and download tools and whitepapers created by their technical team.

 

http://www.devcity.net/net/

Join devCity.NET! Become a part of the fastest growing third-party .NET community. Read expert articles on real life problems. Receive fast answers and be rewarded for helping other members of the community.

 

http://www.code101.com

Code101 disseminates information about Microsoft .NET technology. A good place for articles, tutorials, snippets, tips and solutions for beginner to advanced developers.We go an extra mile to make things easy for developers.

 

http://www.Aspfolks.com

AspFolks provides Asp.net solutions directory, tutorials, books, latest syndicated headlines-articles, blogs, forums postings, and answers asp.net questions.