I've synthesized an open-source implementation of the I-Ching, an ancient Chinese Divination ritual, which many call a predictive system for reality. You can read a bit more information on the blog post introducing it:
https://paretolearn.substack.com/p/the-yi-jing-meets-open-so...
I welcome pull-requests, and collaboration on this project moving forward. You can learn more about the basics of the I-Ching from Wikipedia:
https://en.wikipedia.org/wiki/I_Ching