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LSP PluginsFabFilter Pro-C
Free

Free and open source under LGPL-3.0, supported by donations.

 Paid

Paid plug-in with a 30-day trial.

Linux Windows, macOS
  • Supports CLAP, LADSPA, LV2, VST2 and VST3
  • Standalone JACK versions with a UI
  • 14 compression styles plus saturation and character modes
  • Clear visual display of gain reduction
  • Built primarily for GNU/Linux
  • Small core team
  • Requires a host DAW, it does not run on its own
  • Commercial licence required after the trial
Downloadable app Downloadable app
Open source Closed source
License: LGPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.