2D & 3D TeX-Aware Vector Graphics Language
Crystallographic software for displaying voxel maps - electron density
Scanning Probe Microscopy Controller and Data Visualization Software
STM data analysis
sandbox particle simulator that obeys schrödinger's equation
gMol molecular graphics
Pear3DEngine is a modern and modular 3D development framework
a realtime graphics library
A cross-platform OpenGL based lightweight scenegraph library