
Firmware
OS-303
Hype41/100Open Source TB-303 CPU firmware
OS-303 is custom firmware for the Roland TB-303, by @djphazer. Open source under MIT, latest release os303-v0.8.1 (July 2026), 52 stars on GitHub.
forRoland TB-303·by@djphazer
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Download os303-v0.8.1
OS-303_v0.8.1_9a88226.syx· 23 KB· +1 file
MIT· djphazer/OS-303·downloads come from the creator’s GitHub releases
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