DelivApp - Software for managing online ordering, delivery and loyalty for multi-unit restaurants
freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Shoedazzle - Shoedazzle is an American web-based fashion subscription service that debuts a select of shoes, handbags, jewelry, etc.
Asterisk - An open source telephony switching and private branch exchange service for Linux.
Five Four Club - A curated wardrobe for every season, delivered to your door
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.