There are 1 repository under upbge-addon topic.
BGE and UPBGE framework with pre-made common systems such as GUI and data management.
Easy Emit Addon, Adjusted and modified version for UPBGE 0.2.4x, original version: https://blenderartists.org/t/easyemit-update-13-06-2013/528897
CodeSync is a script sync addon-on for blender and upbge that let you edit scripts with your favorite text editor.