The programmer's solid 3D CAD modeller
A modern library for 3D data processing
Modern C++ Terminal Emulator
3D Without Boundaries
Powerful desktop publishing software
A fast, compact, and powerful DjVu viewer
Hewlett-Packard's Linux imaging and printing software
FlightGear Flight Simulator: free open-source multiplatform flight sim
Swiss army knife of image processing
Panorama photo stitcher
GPS log file viewer and analyzer
a parametric 3D CAD modeler
2D & 3D TeX-Aware Vector Graphics Language
3D Engine c++
Display, convert, and edit raster image and vector image files
3D modeler, 3D game maker, 3D demo maker
LDraw™ editor for LEGO® style digital building instructions.