Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
PrimoMusic - An iTunes alternative made to manage iPhone/iPod media files
ioBroker - flexible and modular application for the IoT and Smarthome
SoundBetter - Marketplace for musicians and music production professionals
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Gemtracks - Buy instrumental backing tracks and beats for $149! Get master ownership and copyright transferred to you once purchased.