VICIdial Contact Center Suite
Free, native Windows SIP softphone with HD audio, SRTP encryption
Browse on Tor / i2p - Anon p2p Chat / FileTx, Conf / Video VoIP
Phone and SMS app with free, encrypted calls between ARK-phone users
Unified Communications Server
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Accent interfaces and controls systems through goals and policies
H.323 Gatekeeper for VoIP and videconferencing
An administration web interface for Mumble VoIP servers in PHP
Sistema de votação por sms
Cyber-wrt pbx is embedded system in DD-Wrt router
Application to make JAD files
Optimized and cross platform SMPTE 2022 FEC library in C, Python, Java