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LightZone vs Ansel: catalog facts
LightZone	Ansel
Free Free and open source under the BSD-3-Clause licence.	Free Free and open source.
Windows, macOS, Linux	Windows, Linux
Processes camera RAW files Runs on Windows, macOS and Linux	Precise manual control over RAW development Independent color controls based on modern color science
Smaller community than better-known RAW developers Documentation lives mainly in the repository	Manual approach takes time to learn Smaller project than darktable
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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