TACO is a toolkit for building distributed control systems or any other distributed system. It is based on a C/C++ core. It is based on the client-server model. It supports writing clients and server on Unix+Windows. Clients and servers can be written in
SAGA - Simple API for Grid Application. The OGF GWD-R.90 Standard (SAGA Core) Implementation(s). It comes with lots of middleware adaptors for cloud and grid middleware, like Globus, LSF, Condor, Sector/Sphere, EC2, SSH and more.
iROS is a meta-operating system for technology-rich "interactive rooms". The core components (Event Heap, DataHeap, iCrafter) provide communication, data storage, and service management for an iRoom.