Offline, privacy-first English grammar checker written in Rust, usable from editors, the browser, and Node.js.
16.7K837RustApache-2.0Updated 7 hours ago
1 alternative
Best open-source alternatives to LanguageTool (2026)
Looking for a free, open-source alternative to LanguageTool? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| Automattic/harper | ★ 16.7K | Apache-2.0 | 7 hours ago |
FAQ
- Is there a free, open-source alternative to LanguageTool?
- Yes. The most popular open-source alternatives to LanguageTool on Repolode are harper.
- Which LanguageTool alternative should I choose?
- harper has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.