Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Communifire - Enterprise Social Collaboration Software
ioBroker - flexible and modular application for the IoT and Smarthome
DigitalChalk - Online Training Software and Learning Management System (LMS)
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Workplace by Facebook - Connect everyone in your company and turn ideas into action.