Open Source
LanguageTool
by languagetool-org
Style and Grammar Checker for 25+ Languages
Our verdict
We have not reviewed LanguageTool yet
No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.
From the listing
About LanguageTool
LanguageTool is an open-source style and grammar checker that supports over 25 languages. It analyzes text for errors and style issues using rule-based and statistical methods, and can be integrated into various applications via its API or as a standalone tool.
Best for
Developers building multilingual writing tools or needing a self-hosted grammar checker.
Use cases
- Integrating grammar and style checking into a writing application
- Automating proofreading of user-generated content in multiple languages
- Building custom language checking workflows with its API
Notes
15,210 stars on GitHub. Last updated 2026-10-29. Licensed LGPL-2.1.
Pros
- Supports a wide range of languages
- Open-source with a large community (15k+ stars)
- Can be self-hosted for privacy and control
Cons
- Java-based, which may require additional setup for some environments
- Rule-based approach may miss context-dependent errors
- Performance may be slower on large texts compared to lighter tools
Key facts
What we have checked
- Days since the last commit
- 0
- GitHub forks
- 1,601
- GitHub stars
- 15,233
- Days to a first reply on issues
- 14.3
- Open issues
- 2,115
- Releases in the last 90 days
- 0
Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.
Stars and usage
How LanguageTool is growing
15,223 to 15,233
Health and security
Is LanguageTool looked after, and what do its setup files show
Health score
71 out of 100
| Part | Points | What we saw |
|---|---|---|
| Recent activity | 30 of 30 | Last push 0 days ago |
| Releases | 0 of 15 | 0 releases in 90 days |
| Issue replies | 11.7 of 20 | First reply in 14.3 days (median) |
| Maintainer | 15 of 15 | Owned by an organisation |
| Official source | Not counted | MCP servers only |
Alternatives
Alternatives to LanguageTool
| Record | Type | How we know | Checked |
|---|---|---|---|
| GrammarlyThis is an alternative to it | Product | Linked recordGitHub |
Compare
Compare LanguageTool side by side
Sources
Where this comes from
- GitHubRegistry
A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.
Changelog
What changed
No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.
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