Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
ioBroker - flexible and modular application for the IoT and Smarthome
Video DownloadHelper - Browser extension to download videos from the Web
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.