Asterisk - An open source telephony switching and private branch exchange service for Linux.
Orderwerks - Orderwerks is a B2B Online Ordering System For Manufacturers, Distributors and More.
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.
Pepperi - Unified commerce integrated solution for companies to plan, execute & analyze their B2B sales. Find out why the most innovative brands in the world use Pepperi.
FusionPBX - FusionPBX is an open source FreeSWITCH GUI.
DelivApp - Software for managing online ordering, delivery and loyalty for multi-unit restaurants