Web based system for Computer Assisted Telephone Interviewing (CATI)
Unified Communications System - PBX System
Cellular manager for mobile phones/modems
H.323 Gatekeeper for VoIP and videconferencing
A command line utility for remote controlling Polycom VVX IP phones
An administration web interface for Mumble VoIP servers in PHP
AT commands as input are sent to modem and responses given as output.
CRM system based on vtiger, adapted to Polish companies.