Open Source Portals in C#

MediaCenter/HTPC for Windows: music, radio, video, DVD, live TV with timeshifting and recording. Client/server, skins, plugins. Open source; actively developed.

All-in-one internet portal: forum, groups, chat, email, search, directory, home page, polls, dating, buddy list, file sharing, and more.

Web portal kernel handling security, theming, and localization. Original site offline; archive link.

Open-source ASP. NET/C# web portal on SQL Server Express. Content publishing modules and SEO-friendly.

NET web portal for personal use: build a homepage with tabs and modules. Original site offline; archive link.