Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Blockhead - Turn your Apple charger sideways so it fits in more places
ioBroker - flexible and modular application for the IoT and Smarthome
MultiDock - Organize your favorite folders, files and apps with multiple Dock’s
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Camo - Use your iPhone or iPad as a pro webcam