Charm++ - An object-oriented portable parallel language built on top of C++. Source code, binaries, manuals, and publications.
The Cilk Project - A language for multithreaded parallel programming based on ANSI C. Source code, manual, papers, and research into parallel chess programs.
Jade - Jade is a parallel extension to C that allows transparent access to shared memory. Papers, manual, and source code.
JavaParty - A minimal extension to Java easing distributed parallel programming of cluster computers. A source code transformation automatically generates a distributed pure Java program based on RMI or KaRMI.
Maisie - C-based simulation language that can be used for sequential and parallel execution of discrete-event simulation models. Papers, source code, sample models. Replaced by PARSEC language.
Mentat - Object-oriented parallel language based on C++. Documentation, source code and binaries, and sample programs.
Mesham - By using type based parallelism the programmer can write very efficient, simple, code targeted at Grids, Clusters or SMPs in this language. Full online documentation and source/binaries available for download.
mpC - Parallel extension to C designed for applications development for heterogeous networks. Source code and documentation.
NESL - A functional parallel language. Tutorial, source code, algorithm library, animations, and reference manual.
Orca - Language for parallel programming on distributed systems, based on the shared data-object model, a portable form of object-based distributed shared memory. Papers and manual.
Parallaxis-III - Structured language for data-parallel programming (SIMD systems), based on sequential Modula-2, extended. Source code, binaries, sample code, documents.
PARLANSE - A parallel programming language supporting symbolic computation on SMP workstations.
Parlog - A concurrent version of Prolog which provides both AND and OR parallelism. Documentation and download for Windows (free for non commercial use) available.
PARSEC - PARallel Simulation Environment for Complex systems. C-based simulation language for sequential and parallel execution of discrete-event simulation models. Online technical support, manuals, source code. Replaced Maisie language.
The SR Programming Language - Synchronizing Resources is a language for writing concurrent programs. Source code, mailing list archive, and documentation.
Unified Parallel C: UPC - Extensions to C to support distinctions between local and shared data structures, and pointers to them; for high performance computing on large-scale parallel machines, uniform programming model for shared and distributed memory.
Z++ - An extension of C++ to platform-free distributed computing. It enhances C++ with invariants, threading, database, GUI and conponent-oriented design. Z++ virtual processor supports the entire language on many platforms.
ZPL - An array programming language. Sample code, papers, recipes, reference manual, and source code.