VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
A free and open source instant messaging and VoIP platform
Set of tools to audit SIP based VoIP Systems
Security tools that can be used to audit SIP based VoIP systems
Matrix reference homeserver
Java wrapper for the popular chat & VOIP service
coturn TURN server project
The ioquake3 community effort to continue supporting/developing id's
The future of programmable SIP servers
A domain based multi-tenant PBX & voice switch for FreeSWITCH
JUICE is a UDP Interactive Connectivity Establishment library
Scapy is a Python-based interactive packet manipulation program
Java wrapper for the popular chat & VOIP service
Desktop client for Matrix using Qt and C++20
Oboe is a C++ library that makes it easy to build high-performance
Library for parsing and validating international phone numbers
Convert VoIP calls to text and analyze them with AI
Issabel PBX - Unified Communications
OSS/BSS for ISP (internet pon voip iptv hotspot)
VoIP/SIP SoftPhone (formerly known as jphonelite)
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
jfCraft : Yet Another Minecraft Clone