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Satty vs Gradia: catalog facts
Satty	Gradia
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Linux	Linux
Includes cropping and drawing tools suited to Wayland workflows.	Adds backgrounds and framing to screenshots Annotation tools in the same app
Works with supplied screenshots rather than replacing every capture tool.	Linux and GNOME focused Styles existing images rather than taking captures with many options
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License not stated
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 22, 2026	Official website Full listing and sources Checked September 24, 2026

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