The most impressive websites in the world use 3D graphics
Convert various image, audio and video formats from your context menu.
Read, write and edit metadata
An interior design application to draw house plans & arrange furniture
A portable, multi-platform, command-line driven graphing utility
a parametric 3D CAD modeler
Powerful desktop publishing software
An award-winning drawing program for children of all ages
Swiss army knife of image processing
FlightGear Flight Simulator: free open-source multiplatform flight sim
Panorama photo stitcher
GPS log file viewer and analyzer
A premier mind-mapping software written in Java
A collection of packages providing extra functionality for GNU Octave
Model Railway CAD program
Professional Audio/Video/Graphics
Scanning probe microscopy data visualisation and analysis
GTK+ comic book viewer.