OpenGL Mathematics (GLM)
Beautiful and accessible math in all browsers
A computer algebra system written in pure Python
Special mathematical functions in Julia
SciPy library main repository
Computational algebraic number theory
Bayesian Modeling and Probabilistic Programming in Python
Computational geometry and spatial indexing on the sphere
Basic (mathematical) operations for B-spline functions
Python library for converting Python calculations into rendered latex
Python library for defining and optimizing mathematical expressions
A common interface for quadrature and numerical integration
A comprehensive open source computer algebra system for computations
An efficient way to access various statistics in git repository
Mathematical Contest resources
The MATLAB toolbox for MEG, EEG and iEEG analysis
SymbolicNumericIntegration.jl: Symbolic-Numerics for Solving Integrals
Sparse, General Linear Algebra for Graphs
Google's software suite for combinatorial optimization
Scalable Symbolic-Numeric Set Computations
Multi-language suite for high-performance solvers of equations
Set of numeric libraries for the Go programming language
Tools for building fast, hackable, pseudospectral equation solvers
Modeling language for Mathematical Optimization
Highly Optimized Graphics Math (glm) for C