Open-source proofreading and writing assistant that checks spelling, grammar, punctuation, and style across 30+ languages, with an HTTP API for integrations.
14.9k stars1.6k forksLGPL-2.1last commit Actively maintained

AI-powered writing assistant that detects and corrects grammar, spelling and punctuation, suggests rephrasings and synonyms, and provides translations. Available as browser extensions and desktop/mobile apps to improve text across emails, documents and web apps.
Open-source proofreading and writing assistant that checks spelling, grammar, punctuation, and style across 30+ languages, with an HTTP API for integrations.
14.9k stars1.6k forksLGPL-2.1last commit Actively maintained
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. 1 of 1 shipped a commit in the last six months. Licences in this list: LGPL-2.1. In exchange you take on hosting, backups and updates yourself.
Browse everything in AI Interfaces (Chatbots, Agents, RAG Apps).