osu!collector downloader & updater; multiple mirrors, collection.db generation, BBD-like beatmap search and more

An osu!(lazer) private server that is easy to deploy, highly scalable, and fully featured to meet diverse operational needs.

An osu! lazer plugin (ruleset) that can directly play BMS in osu without needing to convert the beatmaps.

Generate videos for your osu! replays

An osu! bot that plays by parsing .osu beatmap files directly, without reading game memory. Features a clean overlay and reaction time calibration.

ART - dynamic BPM analyzer for OSU! mappers

a osu!lazer bancho implementation made in typescript

The unofficial osu! web port with a huge pool of beatmaps

Cytus-like ruleset for osu!lazer

📂 point your osu!lazer files back to stable!

Synthwave-themed desktop browser & batch downloader for osu! beatmaps, with audio preview and one-click medal-pack collections.

Local-first beta tool for indexing, filtering, and reviewing osu! scores by mod, with support for osu!stable, osu!lazer, osu!api v2, local score history, and optional pp recalculation.

Lazer playlist multiplayer viewer as legacy lobbies

Unofficial osu!lazer headless beatmap preview renderer for containers

osu! replay writer/parser written in rust.

Bit-exact osu!standard pp calculator for FC plays at any accuracy — 2026 Q2 rebalance (20260706), lazer and stable (CL), pure Python, no dependencies

An osu replay parser and playback tool (PROOF OF CONCEPT)

An osu!lazer addon that brings replay-to-video rendering to the game.

Update osu!lazer on Linux with a simple bash command

Desktop manager for syncing osu!lazer collections, backing up beatmap libraries, and restoring missing maps on Windows.