ADCH++ is a reference hub (server) implementation for the ADC (Advanced Direct Connect) network. It supports Windows / Unix platforms and is extensible with scripts in lua and python (so far) as well as C++ plugins.
"Virtual Infrastructure for Applications and Services Over IP" ViaSIP_NG using latest OpenCloudComputing recommendations to develop Scalable Private-Public cloud platforms. ViaSIP is leveraging ODS - LinkedData, CouchDB, Eucalypus, DatR.ws & Web2Py.