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Mathcha vs LyX: catalog facts
Mathcha	LyX
Free Used in the browser at no charge.	Free Free and open source under the GPL.
Web	Windows, macOS, Linux
Visual equation editing without memorising LaTeX syntax Diagrams drawn in the same document	LaTeX typesetting quality without writing LaTeX syntax Excellent equation editor with both visual and keyboard entry
Browser-based, so it depends on the online service Exported LaTeX may need tidying for strict templates	Its own file format rather than plain LaTeX, which complicates collaboration Requires a TeX distribution installed separately
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is 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 2, 2026	Official website Full listing and sources Checked September 22, 2026

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