Observed arrival · 2026-10-20
GASFREE: a modular synth rack in the browser
A free browser-based rack of synthesizers, drum machines, sequencers, and effects that can be patched together and used to write songs.
○Open
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$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Musicians exploring modular synthesis in a browser
- Worth noticing
- Automation records knob movements as editable CV curves; patches and sessions can be saved in-browser or transferred as files.
Field notes
The sequencer includes MIDI-channel tracks, a piano roll, recording, looping, and MIDI-file import; songs can be exported as WAV. The page also describes MIDI learn for mapping controller knobs, a detachable sequencer window, and keyboard shortcuts for every button. Patches and sessions are saved in the browser, with file import and export available.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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