Open-source alternatives to Grammarly

Free, open-source, downloadable replacements for Grammarly

An offline, privacy-first English grammar checker. — Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

alternative to Grammarly

17k+48/dayApache License 2.0Automattic/harper

macOS Windows Linux

WritingTools

System-wide AI grammar assistant for writing. — The world's smartest system-wide grammar assistant; a better version of the Apple Intelligence Writing Tools. Works on Windows, Linux, & macOS, with the free Gemini API, local LLMs, & more.

alternative to Grammarly

2.5k+1/dayGNU General Public License v3.0theJayTea/WritingTools

macOS Windows

Scramble

Browser extension for AI writing enhancement — Open-Source Grammarly Alternative

alternative to Grammarly

1.7kMIT LicenseWritingzlwaterfield/scramble

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