Browse free open source VoIP software and projects for Mac below. Use the toggles on the left to filter open source VoIP software by OS, license, language, programming language, and project status.
Issabel PBX - Unified Communications
Unified Communications Server
A simple noise gate app intended for use with VOIPs like Skype.
Positional Audio Communication for Minecraft with Mumble
Java wrapper for the popular chat & VOIP service
H.323 Gatekeeper for VoIP and videconferencing
High performance, production quality STUN server and client library
A command line utility for remote controlling Polycom VVX IP phones
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Java VoIP Softphone (SIP) (replaced by jfPhone)
Respins of various open source PBX projects
An administration web interface for Mumble VoIP servers in PHP
AstCDR
Adds enhancements to Freepbx callback script
Skype language files for additonal languages (details below)
Baresip is a modular SIP User-Agent with audio and video support