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
A simple noise gate app intended for use with VOIPs like Skype.
Unified Communications Server
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Java wrapper for the popular chat & VOIP service
Baresip is a modular SIP User-Agent with audio and video support
High performance, production quality STUN server and client library
vTiger Freeswitch PBX Integration
Positional Audio Communication for Minecraft with Mumble
H.323 Gatekeeper for VoIP and videconferencing
CMS API Server with web site
Respins of various open source PBX projects
Java VoIP/SIP PBX system (replaced by jfPBX)
1 on 1 Webcam Videochat Script with P2P Support