DAPPLE - Data-Parallel Programming Library for Education is a parallel library for C++ that defines vector and matrix types. Software, reference manual, and sample code.
Fast Messages - A messaging layer designed to allow small messages to be transmitted quickly. Documentation and software distribution.
GAMMA Project - A network device driver for Linux and message passing library. Benchmarks, papers, and source code.
Shmem Put/Get-FM - An implementation of shmem. Documentation, papers, software distribution.