A portable, multi-platform, command-line driven graphing utility
Powerful desktop publishing software
Display, convert, and edit raster image and vector image files
Open Source Solid Modeling CAD
Cross Platform GUI Toolkit
3D Without Boundaries
SIMD-accelerated libjpeg-compatible JPEG codec library
A Free Experimental System for Image Processing
Character animation system for games and simulations.
A cross-platform XML/CSS based eBook reader
Free yourself
A full featured cross-platform image library
A keyboard-friendly image viewer in Gtk2-perl
A microscopic pedestrian crowd simulation system and library