OpenGL Mathematics (GLM)
Beautiful and accessible math in all browsers
A computer algebra system written in pure Python
SciPy library main repository
Computational algebraic number theory
Special mathematical functions in Julia
Bayesian Modeling and Probabilistic Programming in Python
Computational geometry and spatial indexing on the sphere
Python library for converting Python calculations into rendered latex
Mathematical Contest resources
Basic (mathematical) operations for B-spline functions
A common interface for quadrature and numerical integration
Python library for defining and optimizing mathematical expressions
An efficient way to access various statistics in git repository
SymbolicNumericIntegration.jl: Symbolic-Numerics for Solving Integrals
Sparse, General Linear Algebra for Graphs
Modeling language for Mathematical Optimization
A comprehensive open source computer algebra system for computations
The MATLAB toolbox for MEG, EEG and iEEG analysis
Animation engine for explanatory math videos
Tools for building fast, hackable, pseudospectral equation solvers
Krylov methods for linear problems, eigenvalues, and singular values
Easy and extensible benchmarking in Elixir
Google's software suite for combinatorial optimization
An Infinitely Large Napkin