head to head · open source
LanguageTool vs HackBrowserData
LanguageTool has 15,042 GitHub stars, 1,581 forks, 2,148 open issues and last shipped yesterday. HackBrowserData has 14,534 stars, 1,810 forks, 33 open issues and last shipped 17 days ago. LanguageTool leads on adoption by 3% (15,042 vs 14,534 stars). LanguageTool is written in Java under LGPL-2.1; HackBrowserData is written in Go under MIT. LanguageTool has attracted 11% as many forks as stars, HackBrowserData 12%. 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
| LanguageTool | HackBrowserData | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 15K |
| License | LGPL-2.1 | MIT |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-01 |
| Forks | ⑂ 1.6K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LanguageTool if
- You weight community size — 15K stars and counting
- You want the LGPL-2.1 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick HackBrowserData if
- You want the HackBrowserData feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and HackBrowserData fits your workflow better
About LanguageTool
LanguageTool is open source proofreading software for English, Spanish, French, German, Portuguese, Polish, Dutch, and more than 20 other languages. Its tagline describes it as an AI powered grammar checker for 30+ languages, while the repository description calls it a style and grammar checker for 25+ languages. The project lives in the natural language processing and productivity ecosystem, where it helps writers, editors, and applications detect errors that a simple spell checker cannot find.
read the full LanguageTool overview →
About HackBrowserData
HackBrowserData is an MIT licensed command line tool written in Go that decrypts and exports browser data — passwords, cookies, history, bookmarks, credit cards, downloads, extensions, localStorage and sessionStorage — from Chromium based browsers, Firefox, and Safari for security research on Windows, macOS and Linux.
read the full HackBrowserData overview →
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Frequently asked questions
Is LanguageTool or HackBrowserData more popular?
LanguageTool has 15,042 GitHub stars and HackBrowserData has 14,534. LanguageTool has the larger community by that measure.
Are LanguageTool and HackBrowserData free?
Both are open source. LanguageTool is licensed under LGPL-2.1 and HackBrowserData under MIT. Neither carries a licence fee.
What is the difference between LanguageTool and HackBrowserData?
LanguageTool is written in Java and HackBrowserData in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LanguageTool or HackBrowserData?
Choose LanguageTool if you want the larger community (15,042 stars) or its LGPL-2.1 licence terms. Choose HackBrowserData if its feature set, stack or MIT licence fits better. Both are self-hostable.