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A concurrent programming language designed for programming soft real-time applications
http://www.erlang.org/
organization that hosts gathering to create ad-hoc temporary assemblies of ordinary PC's running special software to coordinate the PC's into one single supercomputer.
http://www.flashmobcomputing.org/
contains official standards documents, errata, and archives.
http://www.mpi-forum.org/
set of enhancements that transform a cluster of PC's into a scalable super-multicomputer.
http://www.mosix.com/
list of the 500 most powerful computer systems.
http://www.top500.org/