Open-source proofreading and writing assistant that checks spelling, grammar, punctuation, and style across 30+ languages, with an HTTP API for integrations.
15k stars1.6k forksLGPL-2.1last commit Actively maintained
2 self-hosted Grammarly alternatives
Grammarly is an AI-powered writing assistant that checks grammar, spelling, clarity, tone, and style, provides rewrite suggestions and explanations across browsers, apps, and a web editor, and offers integrations and plagiarism detection.
Alternatives to Grammarly
#2
Web frontend that combines LibreTranslate translation and LanguageTool grammar checks, with optional Ollama LLM features for AI insights, file upload, and downloads.
118 stars7 forksGPL-3.0last commit Actively maintained
What replacing Grammarly actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 2 shipped a commit in the last six months. Licences in this list: LGPL-2.1, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
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