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mtPaint vs PyDPainter: catalog facts
mtPaint	PyDPainter
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL-3.0-or-later license.
Windows, Linux	Windows, macOS, Linux
Edits indexed palette and 24-bit RGB images Layers, channels and animation support	Supports classic pixel art formats including IFF and ANIM Includes color cycling and animation tools
Basic tools compared with full photo editors No release binaries published on the GitHub repository	Focused on pixel art workflows
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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 October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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