- Netlib is a collection of mathematical software, papers, and databases.
- GAMS - Guide to Available Math Software is a repository of mathematical and statistical software components of use in computational science and engineering.
- Freely Available Software for Linear Algebra is maintained by Jack Dongarra.
- Software of TOMS (or TOMS) is a collection of software appearing in ACM Transactions on Mathematical Software (TOMS).
- Numerical Recipes Code is a collection of software.
- GSL - GNU Scientific Library is a free numerical library for C and C++ programmers.
- Sequential Libraries for Numerical Linear Algebra: BLAS, LINPACK, EISPACK, LAPACK.
- Sequential Templates for the Solution of Linear Systems: Templates.
- Parallel Libraries for Numerical Linear Algebra: PBLAS (MPI), ScaLAPACK (MPI), PLAPACK (MPI), PLASMA (Multicore), cuBLAS (GPUs), MAGMA (GPUs - Multicore).