OpenBTS is an implementation of the GSM air interface (Um) that allows cellular handsets to be used directly as SIP endpoints. It uses a software-defined radio to generate its air interface and uses Asterisk or yate as its network interface.
"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.
Spicewood is an OS independent database/file sharing server that combines centralization and decentralization for a greater efficiency and security, as well as a dependent client that will be made for multiple operating systems.