Browse free open source Internet Phone software and projects for Mac below. Use the toggles on the left to filter open source Internet Phone software by OS, license, language, programming language, and project status.
Low-latency, high quality voice chat for gamers
Unified Communications Server
Java VoIP Softphone (SIP) (replaced by jfPhone)
The point is an convenience
H.323 Gatekeeper for VoIP and videconferencing
VoIP/SIP SoftPhone (formerly known as jphonelite)