EduDo - EduDo is a video discussion platform
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Courseroot - Biggest online course database on the web
ioBroker - flexible and modular application for the IoT and Smarthome
TeenUp - A learning platform designed for teens by teens
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation