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.
Unified Communications Server
Low-latency, high quality voice chat for gamers
H.323 Gatekeeper for VoIP and videconferencing
VoIP/SIP SoftPhone (formerly known as jphonelite)
The point is an convenience
TEKSTER is a Computer Application To Send FREE SMS Around the World!