Matrix reference homeserver
PHP version of Google's phone number handling library
A domain based multi-tenant PBX & voice switch for FreeSWITCH
Java wrapper for the popular chat & VOIP service
Provide softphone support to AmazonConnect customers
Issabel PBX - Unified Communications
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VICIdial Contact Center Suite
Advanced Telecom Security Live Linux OS for 5G/4G Cellular Auditing, S
Browse on Tor / i2p - Anon p2p Chat / FileTx, Conf / Video VoIP
Remote control software for applications using wi-fi or bluetooth
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Cellular manager for mobile phones/modems
VoIP/SIP SoftPhone (formerly known as jphonelite)
Desktop communication tool: chat, telephony, multimedia
Simple application to capture and report on Mitel SMD data
Open source Fax server software for inbound / outbound internet Faxing
Open source auto dialer for voice, fax and SMS campaigns