Totally Helpful Extension classes for C++/C#
atom probe software : visualisation and data analysis
Agent-based simulation toolkit
Google Earth Enterprise - Open Source
Real-time interactive 3D graphics API for scientific simulations
Interactive visualization of plate tectonics.
A C++ Matrix Library
Geodesy based library (geodetic and geocentric functions)
An easy-to-use tool for data visualization and statistical analysis
Geostatistics and geosciences modeling software
CueMol - Molecular Visualization Framework
STM data analysis
http://www.sciencedirect.com/science/article/pii/S1047847711003492
a browser based ballistics calculator for arrows and bullets