Google's software suite for combinatorial optimization
Arbitrary-precision CRC calculator and algorithm finder
Portable software and data related to Mersenne numbers
MathMod is a mathematical modeling software
Command-line calculator and libray.
A C++ Matrix Library
Advanced numerical instruments: adaptive meshing, FE methods, solvers
Heterogeneous Software Development Accelerated
Java toolkit for discrete Image and Signal processing.
Runge is an Interactive Solver for Systems of Differential Equations
A mathematical skill testing game specially for the kids.
ATMSP - A Tiny Mathematical Speed Parser