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