Google's software suite for combinatorial optimization
OpenGL Mathematics (GLM)
Modeling language for Mathematical Optimization
A computer algebra system written in pure Python
The Computational Geometry Algorithms Library
Python library for defining and optimizing mathematical expressions
Krylov methods for linear problems, eigenvalues, and singular values
A comprehensive open source computer algebra system for computations
Special mathematical functions in Julia
Sparse, General Linear Algebra for Graphs
Local git statistics including GitHub-like contributions calendars
Basic (mathematical) operations for B-spline functions
Tools for building fast, hackable, pseudospectral equation solvers
Highly Optimized Graphics Math (glm) for C
Computational geometry and spatial indexing on the sphere
Bayesian Modeling and Probabilistic Programming in Python
Set of numeric libraries for the Go programming language
SciPy library main repository
SymbolicNumericIntegration.jl: Symbolic-Numerics for Solving Integrals
Python library for converting Python calculations into rendered latex
High performance ordinary differential equation (ODE)
An efficient way to access various statistics in git repository
CUDA Templates for Linear Algebra Subroutines
Mathematical Contest resources
Animation engine for explanatory math videos