VICIdial Contact Center Suite
The most affordable CRM system according to Capterra
Web based system for Computer Assisted Telephone Interviewing (CATI)
Unified Communications Server
Cellular manager for mobile phones/modems
High performance, production quality STUN server and client library
VoIP/SIP Autodialer
Enterprise telephony recording and retrieval system
Multi user address book application accessable through the web.
H.323 Gatekeeper for VoIP and videconferencing
A Discord BOT using Discord.js
Cress is a comprehensive toolset for graphical service/workflow design
A command line utility for remote controlling Polycom VVX IP phones