VICIdial Contact Center Suite
Web based system for Computer Assisted Telephone Interviewing (CATI)
Software per Call Center
Unified Communications Server
Cellular manager for mobile phones/modems
VoIP/SIP Autodialer
Enterprise telephony recording and retrieval system
Multi user address book application accessable through the web.
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
Simple web interface for mapping CDR from VoIP provider to Asterisk
Java VoIP/SIP PBX system (replaced by jfPBX)
An administration web interface for Mumble VoIP servers in PHP