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Open-source alternatives to FabFilter Pro-C

FabFilter Pro-C is made by FabFilter. These project covers similar ground for free. Each one does part of the job, so check the notes on its page.

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ZL Compressor

AGPL-3.0Active

A clean compressor with a live level display and flexible side-chain and knee controls, built for mixing.

Formats

VST3
LV2

Works on

Windows
macOS
Linux

Stars229

UpdatedNov 3, 2026

Instead of

FabFilter Pro-C

Browse the category

EQ & dynamics7

Also replacing

FabFilter Pro-Q