Cross platform GUI for Maxima
The Free / Libre / Open Source Web App with the most built-in features
Powerful Open Source Email Marketing app with analytics & segmentation
eLearning XHTML editor
Viking is a free/open source program to manage GPS data
A unified display of relevant technical and tag data for A/V files
Free flexible open source todo manager featuring hierarchical tasks
A multi-protocol & multi-source, cross platform download utility
A planetarium software that shows a 3D simulation of the night sky
Qt based GUI tool designed to create and edit .torrent files
Vector drawing program for LaTeX using PSTricks
Award-winning lightweight Open Source Content Management System (CMS)
Accounting & Best Practice Business Administration System
Free data backup software to synchronize files and folders
Multiplatform GUI of MP3Gain which adjusts volume of MP3 files
Content management system built on PHP, MySQL, Twitter Bootstrap
GEDKeeper - opensource and crossplatform genealogy management program
A GTK+ Gnutella client, optimized for speed and scalability
Real-time 3D visualization of space