darktable
Develop RAW photographs with a nondestructive editing pipeline and a searchable photo library.GetGPL-3.0
A RAW photo editor for developing images, tethered shooting and managing photo sessions.
Capture One is a RAW developer used by professional photographers for nondestructive edits to exposure, colour and detail, alongside tethered shooting and session-based organisation. The open-source apps below cover its central job of developing RAW files.
darktable adds a library with tagging to its nondestructive pipeline, and RawTherapee focuses on precise development controls and batch processing. Redlamp is an early-stage developer with masking, film looks and familiar tone and colour panels.
3 free, open-source alternatives