Open Source Alternatives to ProWritingAid

A writing assistant toolkit that provides grammar checking, plagiarism detection, and in-depth stylistic analysis for writers and storytellers. The software offers actionable feedback through sensory reports, pacing improvements, and manuscript analysis tools like Chapter Critique and Virtual Beta Reader. It is deployed as a desktop editor or via integrations with applications such as Microsoft Word, Google Docs, and Scrivener. The tool is designed to help users eliminate weak words and improve sentence structure without using user text to train its algorithms.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to ProWritingAid give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to ProWritingAid. The most popular is LanguageTool. It uses the LGPL-2.1 license and ships an official Docker image.