Java explicit multiprocessing, SSI and cluster management tool
OpenDDS is open source publish/subscribe middleware
Numenta platform for intelligent computing
The open source grid computing solution
Community superset free distribution of gridengine/SGE batch system
Python framework for asynchronous, concurrent, distributed programming
Java glue code for OpenAutonomy RPCs.
Massively Parallel Graph processing on GPUs -- now part of Blazegraph
Cross-platform grid computing solution