Community-driven, simple, yet powerful framework
Cluster computing framework for processing large-scale geospatial data
The open source grid computing solution
Middleware for distributed applications
Python framework for asynchronous, concurrent, distributed programming
JCA compatible Resource Adapter for SAP
Heterogeneous Software Development Accelerated
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework
Tuple space with time outs and transactions.