Ticket System .NET Open Source (ITS, Issue tracking system)
BLACK use peer-to-peer technology to operate with no central authority
CMS .NET in C# (gallery, forum, wiki, blog, multi site all in one)
CMS foto gallery, Visual Studio .NET: EXIF, geolocation, easy to use
Contao Open Source CMS (fka TYPOlight)
Building High Quality ERP and Accounting Software for SMB & SME
The leading Open Source survey tool
PXell - Online project management.
Open Source photo Library Software
Free and open source webmail software
TuxWordSmith uses XDXF dictionaries to play in 88 languages
WordPress event calendar plugin
İdeafix Webbrowser (Web tarayıcısı)