A bit of background: I’m a synth enthusiast and a real preset guy. Right now my collection is a Prophet Rev2, Prophet 6, Moog Matriarch, Subsequent 37, UB-Xa and a Dreadbox Artemis — and a UDO Super 6 and OB-6 are on their way to join the family soon.
I love using artist preset packs and saving my own, but I could never find a free librarian that gave me the flexibility I actually wanted. And the paid ones felt too expensive for what they offered.
So I ended up building my own, which I now use daily. It lets me do everything I need: see all the presets and banks on a synth, move them around, rename them with the changes applied to the synth live, and dump selected presets or whole banks off the synth. I don’t have to load a full bank back in either — I can pick specific presets and send them to specific slots.
Right now I support that full functionality on four synths: Prophet 6, Prophet Rev2, Subsequent 37 and UB-Xa. Once my Super 6 and OB-6 arrive I’ll add them too. The Dreadbox Artemis is a bit different — its firmware doesn’t allow the same kind of deep support, so rather than juggle two apps, I built a standard SysEx librarian mode right into mine: load banks into it or dump banks out of it, like any basic free librarian.
I put together a short video showing the key features.
Is this something anyone else would find useful, or is it just me?
Universal librarian for multiple synths?
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- KVRer
- 2 posts since 25 May, 2025
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- KVRist
- 359 posts since 30 Apr, 2001 from Australia
Useful - but you don't own the same synths as me... 
- KVRist
- 76 posts since 1 Jun, 2026 from United States
Arturclouds - this looks incredible! The live rename-with-feedback-on-hardware feature is something I've wanted for ages. Most librarians treat the synth like a dumb storage device.
I've been working on something similar but for the *other* end of the spectrum - vintage 80s synths (DX7, Juno-106, M1, etc.) that don't have modern USB or nice sysex implementations. These things speak 31.25kbaud MIDI and buffer overflow if you look at them wrong.
Went browser-native with Web MIDI API so there's zero install friction - plug into any laptop, open browser, instant backup. Different philosophy than yours (cloud vs local), and for different era hardware.
Your tool fills a gap for modern DSI/Moog/Dreadbox owners who want deep control. Mine tries to solve "I found a Juno-106 on Craigslist and I don't own a Windows 98 machine."
Maybe complementary? Would love to compare notes on sysex parsing quirks - the Prophet 6 implementation looks clean from your video.
knob.monster
I've been working on something similar but for the *other* end of the spectrum - vintage 80s synths (DX7, Juno-106, M1, etc.) that don't have modern USB or nice sysex implementations. These things speak 31.25kbaud MIDI and buffer overflow if you look at them wrong.
Went browser-native with Web MIDI API so there's zero install friction - plug into any laptop, open browser, instant backup. Different philosophy than yours (cloud vs local), and for different era hardware.
Your tool fills a gap for modern DSI/Moog/Dreadbox owners who want deep control. Mine tries to solve "I found a Juno-106 on Craigslist and I don't own a Windows 98 machine."
Maybe complementary? Would love to compare notes on sysex parsing quirks - the Prophet 6 implementation looks clean from your video.
knob.monster
The iCloud for Vintage Synthesizers
instant 1-click patch backup & recall for dx7 • juno-106 • korg m1
zero drivers • web-midi native • free sandbox
- KVRAF
- 12212 posts since 7 Sep, 2006 from Roseville, CA
Why limit it to the user banks on Sequential synths? The factory banks are also rewritable.
Logic Pro | LUNA Pro | OB-X8 | Prophet 6 | OB-6 | Rev2 | TEO-5 | Pro 3 | SE-1X | Minitaur | Deepmind 12D | Slim Phatty | TR-1000 | Analog RYTM mk2 | Digitakt 2 | TD-3 MO | TD-3 | Maschine+