RawTherapee — #2 Alternative to Adobe Lightroom
Precision 32-bit floating-point open-source RAW demosaicing and color lab
Celebrated by landscape and astro photographers for advanced wavelet denoising, dual-demosaicing detail recovery, and non-destructive sidecar `.pp3` profiles.
License: GPL-3.0 · Pricing: Free & Open Source · Compare all Adobe Lightroom alternatives · Official Website