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alex vs write-good: catalog facts
alex	write-good
Free Free and open source under the MIT license.	Free Free and open source under the MIT license.
Command line	Command line
Checks for several categories of potentially unequal phrasing Can be used from the command line or JavaScript	Returns suggestions for prose edits Checks can be customized or disabled
Focused on language and phrasing checks	Focused on English prose
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
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.