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RawTherapeeAphera
Free

Free and open source under GPLv3.

 Paid

Paid app with a 30-day free trial that needs no credit card.

Windows, macOS, Linux macOS
  • Non-destructive 32-bit floating point processing engine
  • Two demosaicing algorithms can be applied to the same image
  • Film-inspired looks and support for your own and cinema LUTs
  • Denoise, highlight recovery and lens profiles for hundreds of cameras
  • The project itself says it benefits users who take the time to learn it
  • No library or catalogue management; it develops files, it does not organise them
  • Mac only, and requires Apple Silicon and macOS 15 or later
  • Paid after the trial
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked October 2, 2026

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