Matrix reference homeserver
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Web based system for Computer Assisted Telephone Interviewing (CATI)
Open source Fax server software for inbound / outbound internet Faxing
Desktop communication tool: chat, telephony, multimedia
VICIdial call center optimization tools, monitoring utilities, and per
Software per Call Center
Open-source event-driven AI powered Softphone
The most affordable CRM system according to Capterra
Unified Communications Server
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Accent interfaces and controls systems through goals and policies
Enterprise telephony recording and retrieval system
Multi user address book application accessable through the web.
SIP Video Multiconference Media Server with WebRTC support.
JAvascript Voicexml InterpretER
CMS API Server with web site
A Murmur-Server Webinterface written in PHP for Mumble