# RUB

> Pay-what-you-want monosynth for macOS, Windows and Linux — 303-style,
> VST3, AU, CLAP, LV2, standalone. Songs are fixed-schema JSON documents
> (format: "rub") built for AI-assisted preset/pattern workflows.

## Song JSON kit

- [Everything needed to generate a song JSON](https://www.rubsynth.com/docs/raw/song-json-kit): normative schema, step/lane objects, tolerance rules, worked example, full parameter catalog.

## Docs (Markdown)

- [Getting started](https://www.rubsynth.com/docs/raw/getting-started): Open RUB, pick a preset, hit Play.
- [Presets](https://www.rubsynth.com/docs/raw/presets): Factory, User, Imported — load, save, star, sort, import.
- [Panel overview](https://www.rubsynth.com/docs/raw/panel-overview): Pattern / Param and Wave / Tune views.
- [Oscillators](https://www.rubsynth.com/docs/raw/oscillators): Wave shapes, Custom draw, ×2, Mix, Tune A/B, Range, and sync.
- [Sequencer](https://www.rubsynth.com/docs/raw/sequencer): Step grid, accent, slide, patterns, chain, and capture.
- [Param sequencer](https://www.rubsynth.com/docs/raw/param-sequencer): Per-step parameter lanes, Draw, Blend, and lane tabs.
- [MIDI map](https://www.rubsynth.com/docs/raw/midi-learn): Learn CCs, manage assignments, and save .midimap presets.
- [Parameters](https://www.rubsynth.com/docs/raw/parameters): Full catalog of id_str, ranges, and lane support.
- [Song JSON](https://www.rubsynth.com/docs/raw/song-json): Song JSON documents for AI tools and clipboard round-trips.

## Docs (HTML)

- [Getting started](https://www.rubsynth.com/docs/getting-started)
- [Presets](https://www.rubsynth.com/docs/presets)
- [Panel overview](https://www.rubsynth.com/docs/panel-overview)
- [Oscillators](https://www.rubsynth.com/docs/oscillators)
- [Sequencer](https://www.rubsynth.com/docs/sequencer)
- [Param sequencer](https://www.rubsynth.com/docs/param-sequencer)
- [MIDI map](https://www.rubsynth.com/docs/midi-learn)
- [Parameters](https://www.rubsynth.com/docs/parameters)
- [Song JSON](https://www.rubsynth.com/docs/song-json)
- [Docs overview](https://www.rubsynth.com/docs)
- [Downloads](https://www.rubsynth.com/downloads)