Marketing 360 - Marketing 360® is a powerful marketing and website platform built for any size brand. It's fully managed and has everything a brand needs to drive beautiful marketing and sales.
Asterisk - An open source telephony switching and private branch exchange service for Linux.
SendX.io - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
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.
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).