Dev tools · alternatives · 2026

24 alternatives to LanguageTool

Open source Grammarly alternative

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. LanguageTool launched in 2020; newer entries below may have overtaken it.

1
LanguageTool - Grammar & Style Checker▲15
Supports 25+ Languages, Plugins for Chrome, Firefox & GDocs
2019 · languagetool.org · its alternatives →
2
LanguageTool – Grammarly Alternative (open source, multilingual)▲7
Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.
2019 · languagetool.org · its alternatives →
3
Grammarly for Chrome▲506
Clear, effective, mistake-free writing everywhere you type.
2014 · grammarly.com · its alternatives →
4
LanguageTool for Safari▲6
Advanced Grammar & Spell Checking anywhere on the web
2021 · apps.apple.com · its alternatives →
5
Writefull for Chrome▲294
Writing with confidence
2017 · its alternatives →
6
Linguix▲246
Check grammar instantly in real-time on your favorite sites
2020 · linguix.com · its alternatives →
7
Vokab▲361
Learn German with each tab you open
2024 · learnvokab.com · its alternatives →
8
Grammarly-like extension for any language▲10
2025 · chromewebstore.google.com · its alternatives →
9CE
Chrome extension that replaces words into a different language▲67
2016 · alpharabi.us · its alternatives →
10
FlipWord▲214
Intelligently integrate language learning into web browsing
2017 · flipword.co · its alternatives →
11
Mainichi▲112
Learn Japanese each time you open a new tab
2015 · mainichi.me · its alternatives →
12
BrowserHelp▲86
Control Chrome by talking to Alexa!
2017 · serene-harbor-37271.herokuapp.com · its alternatives →
13
InstaText for Chrome▲91
Improve your text with the most productive writing assistant
2022 · instatext.io · its alternatives →
14
Learn Languages with Google Translate▲93
Learn the words you translate with one click
2019 · chromewebstore.google.com · its alternatives →
15
WebTool▲101
Most relevant and flexible code editor for web designers
2021 · its alternatives →
16
Lexios▲76
Learn vocabulary effortlessy while browsing the web
2021 · its alternatives →
17
GrammarToys▲61
Grammarly and DuoLingo mixed
2021 · its alternatives →
18
Language_tool_Python – a Python grammar checker based on LanguageTool▲7
a free, non-AI python grammar checker 📝✅. Contribute to jxmorris12/language_tool_python development by creating an account on GitHub.
2020 · github.com · its alternatives →
19
WriteRight▲66
Chrome extension for hassle-free RTL/LTR writing
2023 · chromewebstore.google.com · its alternatives →
20
Scan Translator▲82
Translate manga, scans or images with the power of AI
2022 · scan-translator.com · its alternatives →
21
LingoHub▲80
Easy software localization for web and mobile apps
2014 · lingohub.com · its alternatives →
22
TLDR▲19
Instant Summaries for Chrome: YouTube, PDFs, Articles
2025 · tldr-chrome-extension.com · its alternatives →
23
Language Learner▲12
Learn languages with just a click.
2025 · chromewebstore.google.com · its alternatives →
24
Grammit – Local-only AI grammar checker (Chrome extension)▲34
Hey HN, I wanted a grammar checker that didn’t send my writing to someone's servers, so we built Grammit, a Chrome extension that runs grammar checks locally using an LLM. Your text never leaves your computer during checking. Here’s a 2-minute overview: https://www.loom.com/share/baf501ee6cf14a919a7384128246ed67 Because it uses an LLM, it catches more than spelling and grammar. For example, it can correct some wrong statements like “The first US president was Benjamin Franklin.” Grammit also includes an in-page writing assistant that can rephrase or draft new text. It…
2025 · chromewebstore.google.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →