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G'MIC vs G'MIC-Qt: catalog facts
G'MIC	G'MIC-Qt
Free Free and open source under the CeCILL licenses.	Free Free and open source; the plugin is GPL-3.0 and G'MIC uses the CeCILL licences.
Windows, Web, Command line	Windows, Linux
Several interfaces: command line, GIMP and Qt plug-ins, web service and C++ library Large set of image filters that can be scripted	Large library of filters and effects Plugs into GIMP, Krita, Paint.NET and digiKam
Command-line syntax takes time to learn Not a standalone painting or layer-based editor	The number of filters can be overwhelming at first Some host integrations are marked as work in progress
Downloadable app, Web application	Downloadable app
Open source	Open source
License: CECILL-2.1	License: GPL-3.0
Not stated if an account is 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 October 2, 2026

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