the RoBug documentation on https://www.hackster.io/robots4all/robug-tiny-robot-big-attitude-ec32c7,
the videos and the images are licensed under CC BY-SA 4.0
https://creativecommons.org/licenses/by-sa/4.0/deed.en

all RoBug hardware design files (blender, pcb, schematic, stl etc.) are licensed under CERN-OHL-W v2
https://cern-ohl.web.cern.ch/

the RoBug software (firmware, MIT App inventor application) is licensed under GPL v3
https://www.gnu.org/licenses/gpl-3.0.en.html