Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Sidecook - Airbnb for personal chefs
ioBroker - flexible and modular application for the IoT and Smarthome
Spoon University - Food network for next generation.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Traveling Spoon - Travel off the Eaten Path