Make music in the dark.
GloomTunes Studio is a free, open-source, pattern-based DAW written in Rust. Channel rack, piano roll, mixer and playlist, with built-in instruments and effects, wrapped in a moody “Gloom” interface.
Download View sourceEverything you need to finish a track
One codebase, three platforms, and a real-time audio engine that never allocates or locks on the audio thread.
Channel rack & step sequencer
Build beats fast with four built-in drums, a sampler and a sample browser.
Piano roll
Write melodies and chords with full undo/redo, and record live from a MIDI or computer keyboard.
Gloom Synth
A subtractive polysynth with presets, made for dark pads, basses and leads.
Playlist & arrangement
Arrange pattern, audio and automation clips on unlimited tracks, with tempo changes, markers and loops.
Mixer
64 inserts, 4 send buses and eight built-in effects.
Automation & modulation
Automate any knob or fader with curved clips, or modulate it with LFOs and envelope followers.
CLAP plugins
Load CLAP instruments and effects with their own editors, saved state and crash protection.
MIDI everywhere
Hot-plug MIDI keyboards, MIDI-learn any control, and import or export MIDI files.
Export that matches
Sample-accurate offline export of songs, loop regions or per-track stems to WAV, plus autosave and crash recovery.
Download
Every release ships four packages, each with a build-provenance attestation.
Windows 10/11
…-x64-setup.exeInstalls per user, no admin rights needed.
Ubuntu 22.04+
…_amd64.debInstall with sudo apt install ./file.deb.
Any Linux
…-x86_64.AppImageMake it executable and run it.
macOS 11+
…-macos-universal.dmgApple Silicon and Intel. Drag to Applications.