APPS - Asynchronous and Fault Tolerant Parallel Pattern Search. For PVM and MPI programs. Source code and documentation.
ARCH - A C++-based object-oriented library of tools for parallel programming using MPI. Source code and documentation.
ClusterIt - Suite of tools for managing large clusters of machines including a variety of administration programs such as parallel rcp, parallel rsh, job scheduling, and simple barrier sync.
CODE Visual Parallel Programming System - CODE is a visual parallel programming system that composes sequential programs into parallel programs for shared-memory multiprocessors and workstations running MPI or PVM.
Etnus, Inc. - Debugger and performance analysis tools for parallel programs. Product information and manuals.
The Globus Toolkit - The Globus Toolkit provides software tools that make it easier to build computational grids and grid-based applications.
MOSIX - A kernel module to support clustered computing by migrating processes across a cluster. Source code, papers, mailing list, and bug archive.
Pooch - Graphical software for distributing jobs to a network of Macintoshes.