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Software · Photo & graphics

CalibRaw

Develop RAW photos with non-destructive editing.

  • Completely free
  • Windows, macOS, Linux and Android
  • Open source
  • No account

Overview

CalibRaw is a photo editing program, available on Windows, macOS, Linux and Android.

Features described in its F-Droid listing, in its Flathub listing and in its GitHub repository: hardware acceleration, non-destructive editing and noise reduction.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Non-destructive RAW photo editing with GPU acceleration and local AI masks” — F-Droid, 10 November 2026
  • “GPU-accelerated, non-destructive, with masks, HDR merge and local AI.” — GitHub, 10 November 2026
  • “Develop RAW photos with non-destructive editing” — Flathub, 10 November 2026
  • “A free, open-source RAW photo editor for Linux, Android, Windows and macOS, with a complete photo-development workflow and AI tools that run locally.” — GitHub, 10 November 2026
  • “Browse your photo library, develop camera RAW files, and fine-tune color, tone, and detail in one workflow.” — Flathub, 10 November 2026
  • “Brush, gradient, and shape masks let you make local adjustments, while optional AI tools process masks, noise reduction, and object removal on your device after downloading their models.” — Flathub, 10 November 2026

At a glance

CalibRaw is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • No advertising
  • Commercial use allowed

About

CalibRaw is a GPU-accelerated RAW photo editor. Browse your photo library, develop camera RAW files, and fine-tune color, tone, and detail in one workflow. Adjustments are saved in sidecar files so your original photos remain intact. Shape your images with tone curves, color wheels, and targeted color adjustments. Apply lens corrections, recover highlights, and combine bracketed exposures with HDR merge. Brush, gradient, and shape masks let you make local adjustments, while optional AI tools process masks, noise reduction, and object removal on your device after downloading their models. • Develop RAW files from a wide range of cameras, including Fujifilm X-Trans sensors • Adjust exposure, white balance, tone curves, and individual color ranges • Correct lens distortion, chromatic aberration, and vignetting • Apply local masks and creative effects with independent adjustments • Export finished photos, including lossless JPEG XL images

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Unspecified source (platforms) —
  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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