FujiGoban AI is built using open source software, external libraries and research.
http://zero.sjeng.org/
https://gitlab.com/whendrik/leelazerotokeras
https://www.deepmind.com/research/case-studies/alphago-the-story-so-far#alphago_zero
https://github.com/maxpumperla/deep_learning_and_the_game_of_go
https://www.tensorflow.org/js
https://react.dev/
https://dexie.org/
https://github.com/peterolson/BigInteger.js