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Eloquent vs ProWritingAid: catalog facts
Eloquent	ProWritingAid
Free Free and open source under the GPL-3.0 licence.	Freemium Free to start, with a paid version that unlocks the full toolkit.
Linux	Web, Browser extension
Works fully offline Supports more than 20 languages	Style and line-editing feedback beyond basic grammar Story planning and critique tools for fiction
Linux only Small project with a short commit history	Full feature set requires a paid plan Geared toward fiction, less so toward other writing
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Account 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 September 23, 2026

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