Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
ioBroker - flexible and modular application for the IoT and Smarthome
XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Padbury Clock Screensaver - Minimal screensaver for Mac