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RawTherapeeNX Studio
Free

Free and open source under GPLv3.

 Free

Downloadable at no cost from Nikon's download center.

Windows, macOS, Linux macOS
  • Non-destructive 32-bit floating point processing engine
  • Two demosaicing algorithms can be applied to the same image
  • Applies Nikon Picture Controls to RAW files
  • Pixel-shift merge for high-resolution images
  • 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
  • Built around Nikon cameras and files
  • Closed source
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 1, 2026

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