1
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.
Alternatives
The Best ProWritingAid Alternatives in 2026
8 alternatives1 free · 2 open source
Looking for something like ProWritingAid? Here are 8 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
About ProWritingAidprowritingaid.com/grammar-checker
VisitProWritingAid checks grammar and writing style and integrates with Word, Google Docs, and Scrivener.
Top picks at a glance
First suggestionOutwriteOutwrite offers an AI writing assistant that checks grammar…Open source optionLanguagetoolLanguageTool checks grammar and style across more than 25…Another optionLanguageToolLanguageTool checks grammar, punctuation, and spelling…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Outwrite | Freemium | Not stated | Web |
| 2 | LanguageTool | — | Not stated | iOS, Web |
| 3 | Grammarly | — | Not stated | Web |
| 4 | Scribens | — | Not stated | Android, Browser extension, iOS |
| 5 | Languagetool | — | Yes | — |
| 6 | Harper | — | Not stated | macOS, Web |
| 7 | Grammarly Browser Extension | — | Not stated | Browser extension, Web |
| 8 | Harper | — | Yes | — |
All ProWritingAid alternatives
2
LanguageTool
languagetool.orgAlso covers text tools · same kind of online tool
LanguageTool checks grammar, punctuation, and spelling across more than 30 languages, with an AI writing assistant described on its page.
3
Grammarly
grammarly.com/grammar-checkAlso covers text tools
Grammarly checks grammar, spelling, and punctuation and offers writing suggestions, according to its page.
4
Scribens
scribens.comAlso covers text tools
Scribens checks English grammar and spelling, including punctuation, agreement, conjugation, and word confusion.
5
Also covers text tools · open source
LanguageTool checks grammar and style across more than 25 languages, according to its project description.
6
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.
7
Grammarly Browser Extension
grammarly.com/browserAlso covers text tools
Grammarly's browser extension checks grammar and clarity as users write across websites.
8
Also covers text tools · open source
Harper checks grammar and spelling offline and is written in Rust, according to its repository.
No alternatives match this filter.
Alternatives to similar tools
Outwrite9 alternativesGrammarly Browser Extension12 alternativesLanguageTool9 alternativesGrammarly8 alternativesScribens12 alternativesHarper15 alternatives
What is the best alternative to ProWritingAid?
Based on features, tags and platforms, the closest alternatives to ProWritingAid are Outwrite, LanguageTool, and Grammarly.
Is there a free alternative to ProWritingAid?
Yes. Outwrite is free or offer a free plan.
Are there open-source alternatives to ProWritingAid?
Yes: Languagetool and Harper.
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