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

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