StreamCompanion
osu! information extractor... on steroids
Web overlays
Comes with minimal web server to serve your overlays!
In-game overlay
Display any content inside osu! itself, be it simple text or full fledged web overlay.
Gamma
Built in screen-gamma which adjusts with current map AR.
Plugins
C# Plugin API, allowing plugins to provide lots of custom features.
HTTP/WS API
Loosely integrate external applications using http or WebSocket endpoints.
WARNING
This guide is currently work in progress and may be missing entire pages.
Check back later or contribute on github!