freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

RecTrac - Recreation management software & services to help communities thrive, RecTrac provides seamless management of all your recreation operations needs

Asterisk - An open source telephony switching and private branch exchange service for Linux.

CivicRec - Parks and Recreation

FreeSWITCH - FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.

ActiveNet - ActiveNet is a SaaS-based recreation and event management solution built for local communities, companies, non-profit organizations, and entertainment managers.