Publish/Subscribe, Request/Reply Messaging API for Java.
Open-Source Framework for Distributed Constraint Optimization (DCOP)
UNiform Interface to COmputing and data REsources
OpenDDS is open source publish/subscribe middleware
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
Java5 mobile agents in peer2peer containers without stubs/skeletons.
The open source grid computing solution
Middleware for distributed applications
Python framework for asynchronous, concurrent, distributed programming
JCA compatible Resource Adapter for SAP
An Implicit BPM approach
Java glue code for OpenAutonomy RPCs.
A file server with a RESTFul web service.