LibreELEC
LibreELEC (short for Libre Embedded Linux Entertainment Center) is a non-profit fork of OpenELEC as an open source software appliance, a Linux-based Just enough operating system for the Kodi media player. This fork of OpenELEC announced in March 2016 as a split from the OpenELEC team after "creative differences", taking most of its active developers at the time to join the new LibreELEC project. This is a conservative fork of the OpenELEC project with a stronger focus on pre-release testing and post-release change management.
History
Because of the end of Python 2 support in 2020, LibreElec version 10 with Kodi 19 switches to Python 3. Therefore, addons created for prior versions with python 2 need to be updated by developers for Kodi 19 because python code is not backward compatible.