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ModularGrid is a database and planner for modular synthesizers

Eurorack Buchla Frac Modcan A MOTM MU Serge 500 Series AE Modular Pedals

Frac Rack is one of the smaller sized formats supported by Blacet and Paia with an active DIY scene.

Show me the Frac modules

There are 398 Frac modules to choose from. Users build 1191 Racks in this universe.

Forum latest Posts

Pam Sync Plugin question Hi all! Sorry if this is a newbie question but this is an a… Today, 20:59 by x-minus-one in Modular Discussions

Spectre Alright. My initial rack broke (the board fried ... NiftyC… Yesterday, 21:25 by k0s0 in Racks

Modules for live and studio? A quick glance shows at least 6 oscillators and only one 4-… Yesterday, 16:25 by Jukeshoe in Racks

COMPANION CASE FOR SEMI MODULAR SYNTH... Which semi-modular synths? Wednesday December 03, 19:08 by Zacksname in Racks

Good Traders on the Marketplace @JarredTurner Recommended seller. Fast&Easy transaction. Wednesday December 03, 16:16 by phd808 in ModularGrid

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News from the Labs

5. December 2025 Der Mann mit der Maschine

DB8E

New module day! DB8E Display/Controller for your DROID system! Details here: https://shop.dermannmitdermaschine.de/collections/controllers/products/db8e-display-controller

3. December 2025 Vita Synths

We are pleased to announce that the 4X-AT-85 mkII Drum Module is back in stock. After its release, the module sold out completely within just a few days, which made us very happy — thank you for the tremendous interest. If you didn’t manage to place an order, you can do so now here: https://www.etsy.com/listing/4377720511/lo-fi-drum-module-eurorack-4x-at-85-mkii?ref=listings_manager_grid

3. December 2025 Vaemi

Mixer

VAEMI Mixer | 4-Channel Mixer – Attenuator | Now available in our store in Eurorack format! / https://www.vaemi.net/product-page/mixer-eurorack

2. December 2025 LPZW.modules

Teenage Engineering PO33 K.O!

Our PO Adapters are back! Get the new Version 2.0 with some enhanced features from Tubbutec (now) and Thonk (soon)!

1. December 2025 Swamp Flux

Miclon

Miclon has been added to ModularGrid! For alt panels, use the native ModularGrid panel swap feature.

30. November 2025 Oficina de Sonido

Dub Siren with delay and Mic. On kickstarter campaing check it out: https://www.kickstarter.com/projects/oficinadesonido/lga-dub-siren-delay-microphone

Older News →

Top Modules rated by users

STG Soundlabs Mankato Filter Ø 5.00 (4)
Blacet I/O Ø 5.00 (3)
BugBrand PT Delay Standard 2015 Ø 5.00 (3)
Blacet Dual Linear VCA Ø 5.00 (3)
BugBrand PRC2B Ø 5.00 (2)
Blacet Super VCA Ø 5.00 (2)
Cynthia Zeroscillator Ø 5.00 (2)
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BugBrand CTL1 Ø 5.00 (2)
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BugBrand PRC3A Ø 5.00 (2)
Livewire Electronics FrequenSteiner Ø 5.00 (2)
BugBrand SEQ2A Ø 5.00 (2)
Synthesis Technology MOTM 1800 Looping ADSR Ø 5.00 (2)
Blacet Klangwerk Ø 5.00 (2)
Metalbox Burst Generator Ø 5.00 (2)
Metalbox Gate Seq Ø 5.00 (2)
Metalbox Super Psycho LFO Ø 5.00 (2)
BugBrand SYN1 Ø 5.00 (2)
Blacet Morphing Terrarium Ø 5.00 (2)
BugBrand ENV1 Ø 5.00 (2)
Wiard Joystick Axis Generator Ø 5.00 (2)
Blacet F355 Morphing Dual LFO Ø 5.00 (2)
BugBrand PRC5 Ø 5.00 (2)
BugBrand DD1 Ø 5.00 (2)

Modules have to be rated at least 2 times to appear in this list. Any module with a rating better than Ø 4.34 is considered to be above average.

Show the Top 100 evaluation lists