1
Grammarly
grammarly.com/grammar-checkAlso covers text tools
Grammarly checks grammar, spelling, and punctuation and offers writing suggestions, according to its page.
Alternatives
The Best LanguageTool Alternatives in 2026
9 alternatives2 free · 3 open source
Looking for something like LanguageTool? Here are 9 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 3 are open source.
About LanguageToollanguagetool.org
VisitLanguageTool checks grammar, punctuation, and spelling across more than 30 languages, with an AI writing assistant described on its page.
Top picks at a glance
First suggestionGrammarlyGrammarly checks grammar, spelling, and punctuation and…Free or freemium optionOutwriteOutwrite offers an AI writing assistant that checks grammar…Open source optionLanguagetoolLanguageTool checks grammar and style across more than 25…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Grammarly | — | Not stated | Web |
| 2 | Outwrite | Freemium | Not stated | Web |
| 3 | Scribens | — | Not stated | Android, Browser extension, iOS |
| 4 | Languagetool | — | Yes | — |
| 5 | Harper | — | Not stated | macOS, Web |
| 6 | ProWritingAid | — | Not stated | Web |
| 7 | Harper | — | Yes | — |
| 8 | Writing Tools | Free | Yes | Linux, macOS, Windows |
| 9 | Grammarly Browser Extension | — | Not stated | Browser extension, Web |
All LanguageTool alternatives
2
Also covers text tools · same kind of online tool · free plan
Outwrite offers an AI writing assistant that checks grammar and helps revise sentences, with browser and Google Docs integrations listed.
3
Scribens
scribens.comAlso covers ios and text tools
Scribens checks English grammar and spelling, including punctuation, agreement, conjugation, and word confusion.
4
Also covers text tools · open source
LanguageTool checks grammar and style across more than 25 languages, according to its project description.
5
Harper
writewithharper.comAlso covers text tools · same kind of online tool
Harper checks grammar and spelling locally on a device, with an open-source project page for writers and developers.
6
ProWritingAid
prowritingaid.com/grammar-checkerAlso covers text tools · same kind of online tool
ProWritingAid checks grammar and writing style and integrates with Word, Google Docs, and Scrivener.
7
Also covers text tools · open source
Harper checks grammar and spelling offline and is written in Rust, according to its repository.
8
Also covers text tools · open source · free
WritingTools is a system-wide grammar assistant, according to its repository description.
9
Grammarly Browser Extension
grammarly.com/browserAlso covers text tools
Grammarly's browser extension checks grammar and clarity as users write across websites.
No alternatives match this filter.
Alternatives to similar tools
Outwrite9 alternativesGrammarly Browser Extension12 alternativesWriting Tools24 alternativesProWritingAid8 alternativesGrammarly8 alternativesScribens12 alternatives
What is the best alternative to LanguageTool?
Based on features, tags and platforms, the closest alternatives to LanguageTool are Grammarly, Outwrite, and Scribens.
Is there a free alternative to LanguageTool?
Yes. Outwrite and Writing Tools are free or offer a free plan.
Are there open-source alternatives to LanguageTool?
Yes: Languagetool, Harper, and Writing Tools.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative