NetSolve(site info)
A client-server system that enables users to solve complex scientific problems remotely using a variety of languages. Documentation and software available.
http://www.cs.utk.edu/netsolve/
OpenMP(site info)
An API for multi-platform shared-memory parallel programming in C/C++ and Fortran. Specification, presentations, event calendar, and sample programs.
http://www.openmp.org/