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.
Java wrapper for the popular chat & VOIP service
H.323 Gatekeeper for VoIP and videconferencing
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Java VoIP Softphone (SIP) (replaced by jfPhone)
Positional Audio Communication for Minecraft with Mumble
High performance, production quality STUN server and client library
Respins of various open source PBX projects
A command line utility for remote controlling Polycom VVX IP phones
Baresip is a modular SIP User-Agent with audio and video support
Convert VoIP calls to text and analyze them with AI
VoIP/SIP Autodialer
CMS API Server with web site