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