Browse free open source Telephony software and projects for Mac below. Use the toggles on the left to filter open source Telephony 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.
VICIdial Contact Center Suite
Cellular manager for mobile phones/modems
Java wrapper for the popular chat & VOIP service
Web based system for Computer Assisted Telephone Interviewing (CATI)
Enterprise telephony recording and retrieval system
Sim Card explorer and decoder
Go to github.com/vlm/asn1c for the latest version.
Java VoIP Softphone (SIP) (replaced by jfPhone)
An administration web interface for Mumble VoIP servers in PHP