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Milton vs Lorien: catalog facts
Milton	Lorien
Free Free and open source under GPL-3.0.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux
Infinite canvas for drawing without page-size limits Vector-based painting with a raster-like feel	Infinite canvas for freeform sketching and notes Stroke-based storage keeps save files small
The project says it is not an image editor	Not a bitmap painting program Deliberately limited feature set
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
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 October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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