- MPICH is a freely available implementation of the
MPI Message Passing Interface standard.
Also available are sample programs and tutorials
- The Portable, Extensible Toolkit for Scientific computing (PETSc) is a
freely available package for solving large linear and nonlinear systems of
equations. PETSc can be used on single workstations (or even laptops)
or on parallel machines of all kinds.
- Sowing is a collection of tools for developing portable programs. The
major tool in this collection is doctext, a program for creating
documentation from structured comments within source code.