Online tool · Writing & grammar

LanguageTool

Multilingual grammar, spelling and style checker, available online, as a browser extension or as an app.

Limited free plan
macOS and the web

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Limited free planconfirmed by LicitPro technical check
Excerpt from languagetool.org, read on 6 November 2026
kronen zeitung jetbrains ip australia try the languagetool editor for a better writing experience create your free account distraction-free writing experience personal dictionary statistics help you stay on the write path texts are securely stored access even more suggestions for advanced pu Open the page
License: LGPL-2.1+ — Open source (copyleft)confirmed by Wikidata
Open source: not documented
Commercial use: not documented
Account required: Optionalconfirmed by LicitPro technical check
Credit card required: not documented
Watermark: Not applicable
Ads: not documented
Platforms: macOS and the webEstablished by macOS: Homebrew · the web: Wikidata
Source code: github.com/languagetool-org/languagetool

Replaces

Grammarly / Antidote

At a glance

LanguageTool offers a limited free plan; advanced features or heavier use are paid.

Its licence (LGPL-2.1+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Plans and conditions

No resale: the files may not be resold or redistributed as they are.

Weaknesses

Limited free plan

Sources and checks

Facts collected from Wikidata (source code, licence, platforms) — 10 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (limits) — 6 November 2026
Facts collected from LicitPro technical check (account, free status) — 6 November 2026
Facts collected from Homebrew (platforms) — 5 November 2026
Last technical check: 5 November 2026
Description from languagetool.org — Résumé éditorial LicitPro

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