OpenGL Mathematics (GLM)
Google's software suite for combinatorial optimization
The Computational Geometry Algorithms Library
CUDA Templates for Linear Algebra Subroutines
Computational geometry and spatial indexing on the sphere
Matlab toolbox for Geometry Processing
C++ library for half precision floating point arithmetics.
fast C++ library for linear algebra & scientific computing
General Mission Analysis Tool
For exploring cellular automata like Conway's Game of Life.
2D & 3D TeX-Aware Vector Graphics Language
Open source finite element software for multiphysical problems
statistical tests & psuedo- random number generators (RNGs, PRNGs)
Social Network Analysis and Visualization software
Android, UIQ 3.0, Series 60 Edition 5 open-source software
Numerical and Symbolic Math Tool
MathMod is a mathematical modeling software
Data Visualization and Analysis
Command-line operators for netCDF and HDF files
Open-source C/C++ math engine for advanced scientific computing
Uranie is CEA's uncertainty analysis platform, based on ROOT
A cross-platform fractal explorer