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reStructuredText Lint vs doc8: catalog facts
reStructuredText Lint	doc8
Free Free and open source under the Unlicense.	Free Free and open source under the Apache-2.0 license.
Command line	Command line
Checks files and folders Can report results as text or JSON	Checks reStructuredText and plain text documentation Can run against a documentation directory
Limited to reStructuredText documents	Focused on documentation style checks
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: Apache-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 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.