osu-web.js

osu.js is an unofficial Javascript and Typescript SDK for the browser-facing portion of osu! with type safety in mind

@rian8337/osu-rebalance-difficulty-calculator

A module for calculating osu!standard beatmap difficulty and performance value with respect to the latest osu!lazer difficulty and performance algorithm.

@rian8337/osu-difficulty-calculator

A module for calculating osu!standard beatmap difficulty and performance value with respect to the current difficulty and performance algorithm.