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Platen vs Mathcha: catalog facts
Platen	Mathcha
Free Free and open source under the GPL-3.0.	Free Used in the browser at no charge.
Linux	Web
Typst input with LaTeX translation Pasteback recovers the formula from pasted equations	Visual equation editing without memorising LaTeX syntax Diagrams drawn in the same document
Linux only, distributed through Flathub Google Slides export is experimental	Browser-based, so it depends on the online service Exported LaTeX may need tidying for strict templates
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
Not stated if it 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 2, 2026

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