Music Studio icon

Puter Music Studio: a free, open-source FL Studio alternative

A pattern-based music workstation: step sequencer, piano roll, playlist and mixer.

  • Creative tools
  • Free · MIT
  • Runs in the browser
  • No sign-up needed
  • alpha

From the official README: this app is in early alpha. Features may change and data could be lost — don’t rely on it for real work yet, and keep copies of anything important.

What is Music Studio?

Music Studio is an open-source alternative to FL Studio that runs in the browser. Program beats in the channel rack, write melodies and chords in the piano roll, arrange patterns, audio and automation in the playlist, and mix with studio effects. The audio engine is written in Rust and compiled to WebAssembly.

Key features

  • Channel rack step sequencer
  • Synthesizer, drum synth and sampler instruments
  • Piano roll with chords, scale highlighting and a riff generator
  • Playlist arrangement with automation and tempo ramps
  • Mixer with EQ, compressor, reverb and more; export WAV, MIDI and stems

How to use it

  1. Open ms.puter.com in any modern browser — computer, tablet or phone.
  2. Start right away — no sign-up. Sign in with a free Puter account only if you want to save to the cloud.
  3. Want to self-host or hack on it? Run it locally (Node.js 22.12 or newer):
git clone https://github.com/HeyPuter/everything.git
cd everything/src/music-studio
npm install
npm run dev

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FAQ

Is Music Studio free?

Yes. Music Studio is part of the Everything Project and its source code is published on GitHub under the MIT license. There is no subscription or trial.

Do I need to install Music Studio?

No. Open ms.puter.com in the browser on your computer, tablet or phone.

Do I need an account to use Music Studio?

Not required. It works straight away and keeps data in your browser or on your device; sign in with a free Puter account to save to the cloud.

Can Music Studio replace FL Studio?

Not fully yet. Music Studio is in alpha: features will change, and its README asks you not to rely on it for real work or important data. Try it out, and keep backups of anything important.

Summarised from Music Studio’s README in the official repository. CraftSuite is an independent, unofficial guide and is not affiliated with Puter; FL Studio, Ableton Live and Logic Pro are trademarks of their respective owners.

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