OpenRGB - OpenRGB is an all-in-one network-based software development kit that allows you to use third-party software to control all of your RGB.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Logitech G Hub - Logitech G HUB is new software to help you get the most out of your gear. Quickly personalize your gear per game.
ioBroker - flexible and modular application for the IoT and Smarthome
Project Aurora - Gaming Software
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation