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darktable vs SILKYPIX Developer Studio: catalog facts
darktable	SILKYPIX Developer Studio
Free Free and open source, funded by donations.	Paid One-time purchase with a 30-day free trial; one license covers up to three PCs.
Windows, macOS, Linux	Windows, macOS
Fully non-destructive: your original raw file is never modified Professional colour management maintained all the way through to print	One-time purchase instead of a subscription One license can be registered on up to three PCs
The project itself says it is not a free Adobe Lightroom replacement A steep learning curve; the module list assumes you know the underlying concepts	Paid software after the trial period Several product editions and versions can make choosing confusing
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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