3D Engine c++
An award-winning drawing program for children of all ages
Picture manager with focus on meta information (XMP, IPTC, EXIF)
Image browser and viewer for Unix - X/Motif
Open Source Solid Modeling CAD
A tool to organize your pictures on your Desktop computer
Cross Platform GUI Toolkit
PyMOL is an OpenGL based molecular visualization system
PHIGS (Programmer's Hierarchical Interactive Graphics System)