Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Coelux - Artificial skylight that you won't believe isn't real
ioBroker - flexible and modular application for the IoT and Smarthome
Logitech - Wireless mouse, keyboards, headsets & video conferencing
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Wave Light Switch - A touch-less light switch with a sleek design