Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Tvheadend - Redmine
ioBroker - flexible and modular application for the IoT and Smarthome
SmartDVB - This is a fully functional DVB application which supports DVB-S/T/C and ATSC devices.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
DVB Dream - DVB Dream is DVB player with many nice and unique features (more below), it supports standards...