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GraphicsGale vs Piskel: catalog facts
GraphicsGale	Piskel
Free Freeware since June 2017.	Free Free and open source, including the desktop versions.
Windows	Windows, macOS, Linux, Web
Real-time animation preview while editing Onion skinning and layers for frame-by-frame work	Live animation preview with adjustable frame delay Exports animated GIFs and spritesheets
Windows only Closed source	Poorly suited to phones and portrait screens Focused on pixel art rather than general image editing
Downloadable app	Downloadable app, Web application
Closed source	Open source
License: Freeware	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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