Java wrapper for the popular chat & VOIP service
Unified communications framework and REST API for developers
Java VoIP Softphone (SIP) (replaced by jfPhone)
High performance, production quality STUN server and client library
Blocks unwanted calls using caller ID and a modem
H.323 Gatekeeper for VoIP and videconferencing
CMS API Server with web site
OpenSource Call Center and Dialer System