GrooveAuthor

GrooveAuthor is a free open-source editor for authoring StepMania charts.

Highlights

Robust Chart Generation

GrooveAuthor can add more charts to your existing songs almost instantly through chart generation. It understands modern tech and has incredibly detailed controls for fine-tuning autogen content.

Intelligent Pattern Generation

GrooveAuthor can generate patterns that integrate seamlessly with any chart. It offers a deep suite of controls so patterns come out just the way you want.

Simultaneous Chart Viewing

GrooveAuthor allows for many charts to be open simultaneously, easing the workflow for full-difficulty and multi-mode files.

SSC Gimmicks

GrooveAuthor renders ssc effects accurately.

Smooth Zoom

GrooveAuthor supports near-infinite zooming with 100% accurate waveform rendering and offset compensation.

Performant

Other editors stutter or lock up when editing long files but GrooveAuthor is built from the ground up to be responsive and fast with all content. GrooveAuthor can handle anything from the 2-hour long "90's Dance Megamix" to "24 hours of 100 bpm stream".

Features

• Open source.
• Support for all major dance game layouts including StepManiaX layouts.
• Multiplayer chart support, including limited StepF2 co-op compatibility.
• Robust autogen functionality. All the functionality from StepManiaChartGenerator is available in-editor.
• Accurate ssc scroll rate rendering.
• Fully customizable note colors and time signature based note coloring options.
• In-editor pack browsing and ITGmania Pack.ini editing support.
• Near infinite zooming with 100% accurate waveform rendering and offset compensation.
• Open many charts simultaneously.
• Optional automove. Press one key to add a note and advance for quickly writing streams.
• Modern editing conveniences like copy/paste, undo/redo, intuitive mouse and keyboard controls, mini-map scrollbar, etc.
• Stamina-conscious features including scrollable density graph, stream breakdowns, and NPS counts.
• Performant even on massive, hours-long simfiles.
• Customizable and dockable UI.
• Customizable key bindings for simple and advanced tasks.

Installation

GrooveAuthor is available for Windows, Linux, and macOS. See Installation for platform-specific installation instructions.

Documentation

See the Table of Contents.

Building From Source

See Building From Source.

License

• GrooveAuthor is distributed under the MIT License.
• MonoGame is distributed under the Microsoft Public License (Ms-PL) and the The MIT License (MIT).
• fmod is distributed in accordance with the FMOD EULA.