Compare software

rumdl vs Mado: catalog facts
rumdl	Mado
Free Free and open source under the MIT licence.	Free Free and open source under the Apache-2.0 license.
Command line	Windows, macOS, Linux, Command line
Both lints and formats Markdown Written in Rust for speed	Supports CommonMark and GitHub Flavored Markdown Covers many markdownlint rules
Command-line only Younger project than established Markdown linters	Some rules are unstable or unsupported
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
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.