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

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