Software

MPICH

MPICH is a freely available implementation of the MPI Message Passing Interface standard.

PETSc

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

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.