op1.fun

Find & share OP-1 patches, drum kits, and tape

op1.fun patch browser — Browsing and auditioning shared OP-1 patches.© op1.fun

About

op1.fun is a community platform for discovering and sharing OP-1 sound patches. Members upload and organise patches into collections, audition sounds in the browser over Web MIDI, build drum patches with an integrated builder, and back up or play back 4-track tape recordings. A free macOS companion app streamlines loading patches onto the device.

Devices

OP-1 OP-1 field

Platforms

WebmacOS

Pricing

freemium — Free to browse, share, and download patches. An optional paid subscription unlocks unlimited tape creation. The macOS companion app is free.

op1.fun

Last verified

Jun 5, 2026

FAQ

Do I need to install anything to use op1.fun?+

No. Patches can be browsed, auditioned over Web MIDI, and downloaded directly in the browser. An optional free macOS companion app makes loading patches onto the OP-1 quicker.

Source: op1.fun

Is op1.fun free?+

Browsing, sharing, and downloading are free. An optional paid subscription adds unlimited tape creation.

Source: op1.fun

Source: developer site