CodeQuest - Mini-games that intro kids to HTML and web development
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Rapidsoft - Rapidsoft offers web and mobile design and development services.
ioBroker - flexible and modular application for the IoT and Smarthome
i3.com - i3 Technologies is a Chicago, IL area based IT and Business management consulting firm.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation