OpenGL Mathematics (GLM)
Google's software suite for combinatorial optimization
Computational geometry and spatial indexing on the sphere
General Mission Analysis Tool
2D & 3D TeX-Aware Vector Graphics Language
fast C++ library for linear algebra & scientific computing
For exploring cellular automata like Conway's Game of Life.
Data Visualization and Analysis
System dynamics program with additional features for economics
Numerical and Symbolic Math Tool
Calculation with Clifford algebras: C++ library and Python module
MCPower — simple Monte Carlo power analysis for complex models
Open-source C/C++ math engine for advanced scientific computing
Uranie is CEA's uncertainty analysis platform, based on ROOT
Computer Assisted Proofs in Dynamics
Simple Long Integer Math for C++
C++ math library developed primarily for games focused on simplicity