Note: For the list of all projects that are currently in operation, see Projects
This article lists the various projects made for osu! by the developers and the community that have since been abandoned and are no longer available or do not work anymore.
| Logo | Name | Project lead | Description |
|---|---|---|---|
| osu! iPhone | nuudles | Official iPhone port of osu! | |
| pTransl | peppy | Community-based localisation platform for osu! | |
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rajio | peppy | On-demand online radio service |
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upppy | peppy | Browser-based lightweight file sharing service |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| osu! python edition | superloach | Open-source osu! client written in Python 3 | |
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T-Aiko! | Guy-kun | Free Taiko no Tatsujin clone that plays osu!taiko beatmaps on mobile devices |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| Desktop Composition Disabler | kleps | Tool for disabling the Desktop Composition feature in Windows to reduce input latency | |
| osu! Replayer | joeykapi | Program that allows users to view replays that are not saved locally | |
| TabletDriver | HWK | Low-latency graphics tablet driver for osu! |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| Local osu! NPS-Calculator | Marilyth | Tool for calculating and visualising beatmap density over time | |
| New Hitsound Copier | wcx19911123 | Tool for copying hitsounds from one difficulty to another | |
| Variable BPM Slider Velocity Stabilizer | Alchyr | Tool for stabilising slider velocity after applying BPM changes |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| osu!tp's difficulty calculator | Tom94 | Calculator for determining a beatmap's difficulty according to the legacy tp system | |
| osu! Slider End Silencer | stUwUpid | Tool for silencing slider ends automatically |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| OMISM | BilliumMoto | Tool for converting osu!mania beatmaps into Stepmania charts that doubles as beatmap keysound copier | |
| osu!HitsoundManager | df45 | Tool for copying per-lane hitsounds from one osu!mania difficulty to another |
| Logo | Name | Project lead | Description |
|---|---|---|---|
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ManiaCheck | RandomeLoL | Mapset Verifier plugin for checking osu!mania beatmaps |
| MapsetCheckCatch | Greaper | Mapset Verifier plugin for checking osu!catch beatmaps | |
| Mod Helper | yf_bmp | BBCode writing assistant for mapping/modding environment | |
| MVTaikoChecks | Hivie | Mapset Verifier plugin for checking osu!taiko beatmaps |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| Batch script to delete maps | Greydus | .bat script for deleting beatmaps in bulk |
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| Beatmap Version Checker | Roan | Tool for scanning and updating out-of-date beatmaps | |
| osu!grab | Faishal Akbar | Various enhancements for beatmap downloading | |
| osu! Beatmap Downloader | AiriLing | Tool for downloading beatmaps in bulk from beatmap mirrors |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| Yet another beatmap mirror | Hexide | Mirror site for downloading beatmaps |
| Logo | Name | Project lead | Description |
|---|---|---|---|
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ezpp! | oam | Browser extension for calculating pp |
| osu!Post - Live osu! Status | givenameplz | Forum signature generator with MSN Live status integration |
| Logo | Name | Project lead | Description |
|---|---|---|---|
| AR/OD calculator [Android] | Deimos | Android app for determining approach rate and overall difficulty with different mods | |
| osu!search | Rivenation | Website for advanced beatmap searching | |
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osu! Music Player | Naviaux | osu!-themed music player |
| osu! Windows 60 fps animated cursors | Darkimmortal | osu!-styled cursors for Windows |