The Free / Libre / Open Source Web App with the most built-in features
Audio converter and CD ripper for various formats
GPS mapping and management software
Award-winning lightweight Open Source Content Management System (CMS)
A 3D simulator game where you can drive, fly, and sail
A planetarium software that shows a 3D simulation of the night sky
Real-time 3D visualization of space
Standalone chat system developed in php, mysql and javascript
This project now lives at: https://github.com/JDatePicker/JDatePicker
Free and Open Source Browser based Security Framework
MAX Privacy with Robolinux R12.12
Streams many media formats with minimal configuration
...a powerful, fast and reliable backup & sync tool.
Collabtive is web based project management software. Simple and easy.
The world's leading content management systems (CMS) written in PHP
Localization tools built by localizers for localizers
Cross-platform player and audio manager
FCKeditor (retired)