LanguageTool is an open-source grammar, style, and spell checker that can run as a self-hosted HTTP service.
Requires Docker runtime or Docker Compose environment.
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Standard Docker Compose deployment
version: '3.8'
services:
languagetool:
image: languagetool:latest
restart: always
ports:
- "8080:8080"LanguageTool is a modern self-hosted, privacy-first developer tools solution. LanguageTool is an open-source grammar, style, and spell checker that can run as a self-hosted HTTP service. Built for users and teams demanding full data ownership, LanguageTool eliminates proprietary vendor lock-in while delivering an intuitive, reliable experience.
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GitHub stats captured Oct 5, 2026.