Tustena CRM is an Enterprise-Class Customer Relationship Management server written in C# for the .NET platform with many advanced features like Companies/Leads/Contacts Manager, Calendaring, Groupware, Email Marketing, Reporting, Orders, Catalogs, etc.
Leonidas is basically the ASP.NET porting of the phpMyBitTorrent Tracker. Written in both C# and Visual Basic and fully compatible with Apache/Mono, this tracker offers many advanced features for BitTorrent community.
FlashNuke is a brand new CMS (Content Management System) based on Adobe Flash front-end built with Flex Framework. It supports skinning and plug-ins without recompiling. Supports accessibility too
Totally integrated enterprise and e-government low cost solutions, with dynamic object entities, billing engine, unified clients base and documents management system. All information are usable from integrated DWH e BI.
OpenYPDatePicker is a webcontrol for Asp.Net Ajax-based and written in C Sharp to provide a calendar culture based with capablity to connect to a database to retrieve informations like a sheduler.
The Swiss Tournament software uses the U.S. Chess Federation's Swiss system to pair players during each round of a chess tournament.
The first open source C#.NET Torrent Tracker!! Accept also external torrent, let you upload, search and download torrent files. With great statistic capabilities, and a built in forum. Works with MySQL, MSSQL, and XML as databases. Req Mono/.NET Framewor
XmlFlashChat (XFC) is a Client-Server chat system. The Server is based on any DB, ASP.net and XML. The Client is based on Silverlight.