The Free / Libre / Open Source Web App with the most built-in features
eLearning XHTML editor
A multi-protocol & multi-source, cross platform download utility
A planetarium software that shows a 3D simulation of the night sky
Award-winning lightweight Open Source Content Management System (CMS)
Streams many media formats with minimal configuration
Localization tools built by localizers for localizers
Gramps, the open source genealogy program
Standalone chat system developed in php, mysql and javascript
Collabtive is web based project management software. Simple and easy.
A free sing-along karaoke game for your PC
Pioneers - The Settlers of Catan
SuiteCRM translations - language packs
Cross-platform player and audio manager
Free music notation & composition software
FCKeditor (retired)
A software-based online payment system
A cross-platform interpreter for many point-and-click adventure games
2D platform game