InfoFlo - The most affordable CRM software on the market at a one-time cost with free upgrades for life.
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.
BaseEAM - Integrated, open-source Enterprise Asset Management.
freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).