Cray Message Passing Toolkit
- Release notes for MPI, PVM, and SHMEM implementations for Cray PVP systems.
- http://www.cray.com/craydoc/manuals/004-3689-001/html-004-3689-001/004-3689-001-toc.html

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.
- http://www.cs.dartmouth.edu/ILI/dapple/

GAMMA Project
- A network device driver for Linux and message passing library. Benchmarks, papers, and source code.
- http://www.disi.unige.it/project/gamma/

Shmem Put/Get-FM
- An implementation of shmem. Documentation, papers, software distribution.
- http://www-csag.ucsd.edu/projects/comm/put-get.html

Fast Messages
- A messaging layer designed to allow small messages to be transmitted quickly. Documentation and software distribution.
- http://www-csag.ucsd.edu/projects/comm/fm.html

Coherent Virtual Machine
- A distributed shared memory system. Papers and bibliography.
- http://www.cs.umd.edu/projects/cvm/

BIP Messages
- Basic Interface for Parallelism is a message-passing library implemented on top of Myrinet. Software, benchmarks, and user manual.
- http://lhpca.univ-lyon1.fr/bip.html