Open Source Grammarly Alternatives
The best open source alternative to Grammarly is LanguageTool. If that doesn't suit you, our users have ranked more than 50 alternatives to Grammarly and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Grammarly are Grammalecte, Editsaurus, proselint and write-good.
Grammarly alternatives are mainly Grammar Checkers but may also be Translators or SEO Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Grammarly.- Freemium • Proprietary
- Mac
- Windows
- Online
- Google Chrome
- Microsoft Office Outlook
- Safari
- Microsoft Office Word
- Software as a Service (SaaS)
- Firefox
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- Microsoft Edge
- Google Chrome
- Microsoft Office Outlook
- SDL TRADOS
- Safari
- Visual Studio Code
- Microsoft Office Word
- Eclipse
- TinyMCE
- TeXstudio
- Google Drive - Docs
- Thunderbird
- Vim
- OmegaT
- Sublime Text
- GNU Emacs
- Opera
- Fidus Writer
- LyX
- LibreOffice
- <oXygen/> XML Editor
- Apache OpenOffice
- Firefox
Free proofreading tool for LibreOffice, Apache OpenOffice, Microsoft Word, Ulysses, .
LanguageTool vs Grammarly opinions
tapasrathaMost of the time it helps in getting correct sentence.
cherriesravenclawOpen source. Works just as good, if not better than Grammarly, and it's cheaper if you do opt for one of the paid plans.
It does not correct the style of writing to a better way, it just corrects spelling and grammar.
RemovedUserOpen source, cheaper, works in more languages.
It doesn't work very well. For example, it shows all is good if I type in the following: "Can you do plan by yourself? Yoda I speak like and check grammar I do. "
It supports more than just English and is privacy-minded
Mansampard01Since end of 2018 it has an browser extension that is on par with grammarly. It supports much more languages than grammarly.
- Free • Open Source
- Mac
- Windows
- Linux
- Chrome OS
- Google Chrome
- Python
- Thunderbird
- Vim
- Sublime Text
- GNU Emacs
- Pluma
- LibreOffice
- Firefox
- LibreOffice - Writer
Grammalecte is a French grammar checker.
- Free • Open Source
- Online
- Self-Hosted
Highlights potential pitfalls in your writing to encourage good habits.
"Writing is notoriously hard, even for the best writers, and it's not for lack of good advice — a tremendous amount of knowledge about the craft is strewn across usage guides, dictionaries, technical manuals, essays, pamphlets, websites, and the hearts and minds of...
No screenshots yetNaive linter for English prose for developers who can't write good and wanna learn to do other stuff good too.
No screenshots yet- Free • Open Source
- Online
- Self-Hosted
Grammark helps improve writing style & grammar and teaches students to self-edit. Basically, it finds things that grammarians consider bad, highlights them, and suggests improvements.
No screenshots yetGrammark vs Grammarly opinions
Grammark has a "lean in" style with active voice that I like. It's a nuance but important.
pmilsomGrammark is very proficient Authors protector. It has to be used as a service and can't be downloaded into Libre Office. But it does a wonderful job in the smaller offerings that can be managed through a service.
Expresso is a little tool to edit texts and improve your writing style. It will teach you to express yourself through writing more efficiently and help make your texts more readable, precise, and engaging.
- Free • Open Source
- Mac
- Windows
- Linux
- Chrome OS
- Google Chrome
just-not-sorry - Gmail Plug-in that warns you when you write emails using words which undermine your message
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Zapier
- Slack
- Wordpress
AI-powered grammar correction tool that understands the context and meaning of the text to accurately identify and fix errors. With a powerful API, Perfect Tense lets you easily add grammar correction to your product or workflow.
No screenshots yetPerfect Tense vs Grammarly opinions
alexcardinellIt has similar functionality but also has an API so websites can easily add spelling and grammar correction as well.
Typopo fixes microtypography errors that often require attentive eye and knowledge of local typography rules. It works for English, German, Slovak, Czech and Rusyn texts.