head to head · open source
feathers vs LanguageTool
feathers has 15,256 GitHub stars, 802 forks, 121 open issues and last shipped 2 days ago. LanguageTool has 15,229 stars, 1,598 forks, 2,148 open issues and last shipped yesterday. feathers leads on adoption by 0% (15,256 vs 15,229 stars). feathers is written in TypeScript under MIT; LanguageTool is written in Java under LGPL-2.1. feathers has attracted 5% as many forks as stars, LanguageTool 10%. LanguageTool was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| feathers | LanguageTool | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 15K |
| License | MIT | LGPL-2.1 |
| Written in | TypeScript | Java |
| Last push | 2026-11-01 | 2026-11-02 |
| Forks | ⑂ 802 | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick feathers if
- You weight community size — 15K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick LanguageTool if
- You want the LanguageTool feature set and don't need the biggest community
- You prefer the LGPL-2.1 license terms
- Your stack matches Java
- You evaluated both and LanguageTool fits your workflow better
About feathers
Feathers is a full stack framework for creating web APIs and real time applications with TypeScript or JavaScript. Feathers can interact with any backend technology, supports many databases out of the box and works with any frontend like React, VueJS, Angular, React Native, Android or iOS. Getting started Get started with just three commands: To learn more about Feathers visit the website at feathersjs.com or jump right into the Feathers guides. Contributing To start developing, clone this repository, then run: To run all tests run Individual tests can be run in the module you are working on: License Copyright…
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About LanguageTool
LanguageTool LanguageTool is open source proofreading software for English, Spanish, French, German, Portuguese, Polish, Dutch, and more than 20 other languages. It finds many errors that a simple spell checker cannot detect. LanguageTool Forum How to run your own LanguageTool server HTTP API documentation How to use our public server via HTTP How to use LanguageTool from Java (Javadoc) For more information, please see our homepage, at languagetool.org , this README , and CHANGES . The LanguageTool core (this repo) is freely available under the LGPL 2.1 or later. Docker Try one of the following projects for a…
read the full LanguageTool overview →
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Frequently asked questions
Is feathers or LanguageTool more popular?
feathers has 15,256 GitHub stars and LanguageTool has 15,229. feathers has the larger community by that measure.
Are feathers and LanguageTool free?
Both are open source. feathers is licensed under MIT and LanguageTool under LGPL-2.1. Neither carries a licence fee.
What is the difference between feathers and LanguageTool?
feathers is written in TypeScript and LanguageTool in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, feathers or LanguageTool?
Choose feathers if you want the larger community (15,256 stars) or its MIT licence terms. Choose LanguageTool if its feature set, stack or LGPL-2.1 licence fits better. Both are self-hostable.