Top 10 Mahjong Open-Source Projects

rlcard

5 2,689 6.2 Python

Reinforcement Learning / AI Bots in Card (Poker) Games - Blackjack, Leduc, Texas, DouDizhu, Mahjong, UNO.

Project mention: [P] Looking for RL or rules-based No-Limit Hold 'Em Work | /r/MachineLearning | 2023-06-03

mjai-reviewer

15 928 7.0 Rust

🔍🀄️ Review mahjong game log with mjai-compatible mahjong AI.

Project mention: How strong is Mortal? Can I rely on it as a source of truth? | /r/Mahjong | 2023-06-20

There is this website that can analyse your games here. https://mjai.ekyu.moe

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
mahjong

1 351 6.4 Python

Implementation of riichi mahjong related stuff (hand cost, shanten, agari end, etc.)
AlphaJong

1 347 0.0 JavaScript

A Mahjong AI for Mahjong Soul
commonjong

1 9 2.8 Java

An open-source mahjong engine in Java.
chombo-gen

1 8 7.2 Rust

Web service generating images of Japanese (Riichi) Mahjong hands.

Project mention: ChomboGen: mahjong hand image generator using Rocket + Yew | /r/rust | 2023-04-28

I've decided to use Rust both for the backend and the frontend. It's free and open source and available on GitHub on https://github.com/m4tx/chombo-gen . I actually had quite a lot of fun, much more than I would have if I stuck to some js framework.

301-wwyd-translation

1 5 0.0

Translation of G Uzaku's mahjong book 301 "Established Practice" Which to cut?
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
chombot

1 5 8.0 Rust

Discord bot for Riichi Mahjong servers
riichi-hand-rs

1 4 7.1 Rust

A collection of utilities for working with Riichi Mahjong player hands to use with Rust programming language
plus-minus-zero

1 1 0.0 Scala

EMA Rank calculator

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-20.