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MultiMarkdown vs txt2tags: catalog facts
MultiMarkdown	txt2tags
Free Free and open source under the MIT license.	Free Free software under GPLv2.
Command line	Command line
Adds citations, footnotes and cross-references to Markdown Supports several document output formats	Converts one text source into many document formats Accepts a lightweight markup syntax
The user guide says it is still being rewritten for version 6.	The Python 2 and Python 3 branches have different feature sets
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0-or-later
Not stated if an account is needed	Not stated if an account is 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 8, 2026

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