Powerful desktop publishing software
An interactive viewer for three-dimensional chemical structures.
GPS log file viewer and analyzer
GTK+ comic book viewer.
Read, write and edit metadata
EasyABC is an open source ABC editor
JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
The ultimate cataloguer
CGRU: Afanasy render farm manager and RULES project tracker.
Another drawing editor for LaTeX with PSTricks & TikZ
Drawing, graphics conversion, software development, administration.
Various small and useful command-line utilities
BASH tools and and Debian packages for Linux users and administrators
RhinOS, CMS, Content Management System, Josep Sanz Campderrós
Modular XSL-FO Implementation for Java.