Style and Grammar Checker for 25+ Languages

Web interface for recognizing text, proofreading OCR, and creating fully-digitized documents.

A fast, low-resource Natural Language Processing and Text Correction library written in Rust.

RedPen is an open source proofreading tool to check if your technical documents meet the writing standard. RedPen supports various markup text formats (Markdown, Textile, AsciiDoc, Re:VIEW, reStructuredText and LaTeX).

LeanType is an Open-source, AI-enhanced keyboard fork of HeliBoard with customizable AI providers and dedicated AI keys.

GUIで動作する文書校正ツール GUI tool for textlinting.

Distributed Proofreaders is a web application intended to ease the process of converting public domain books into e-texts.

AI-based proofreading and stylistic improvements for your writing. Changes are inserted as suggestions directly in the editor, similar to suggested changes in word processing apps.

Grammar checking and more for IntelliJ IDEA

A collection of MuseScore plugins that check species counterpoint, 4-part chorales, intervals, and chords and can automatically create interval and chord ID worksheets.

A free, open-source alternative to LanguageTool browser extension. Provides grammar, spelling, and style checking using AI models, powered by your own API keys.

A VS Code extension for document and book proofreading based on LLM services

A proofing format for Twine 2.

🚀 Typollama – AI Writing Assistant – A Chrome extension for real-time text enhancement using local and cloud AI models. Instantly spellcheck, proofread, and customize AI-powered writing with keyboard shortcuts and right-click integration. ✨

WordPress plugin to add feature of Japanese proofreading

A web-based tool for calculating and displaying scores for Wikisource proofreading contests.

CoFlu is a powerful text manipulation, generation, and comparison tool. It's designed for tasks like proofreading, editing, content creation, version control, and ensuring text consistency. CoFlu offers unique capabilities, including AI-powered text generation, audio transcription, and unprecedented layout-preserving .docx translation using LLMs.

🚀 Instantly fix grammar, vocabulary, and style with Alt+D — A powerful Chrome extension powered by Groq AI. Select any text, press your shortcut, and watch it transform. 15+ tone presets, smart model fallback, works everywhere. Privacy-first, no tracking. ✨

Claude Code plugin：去除文章中的 AI 寫作痕跡，使文字更自然、更有人味。以台灣正體中文為主。

Command-line Visual Novel Proofreading tool

graphical HOCR editor to produce minimal diffs for proofreading of tesseract OCR output

Golang wrapper for languagetool.org API

Free, open-source AI grammar checker for macOS. Fix grammar, spelling, and punctuation in any app with a single hotkey. Privacy-first no accounts, no subscriptions. Powered by Claude, OpenAI Codex, or Gemini.

Some automated script like auto blog writer or proofreader with django rest framework using gpt3 and other library

remark-lint preset for automated proofreading of English text using retext

Meaningcloud.com api client in Go

A tiny, incredibly simple tool to allow the non-technical members of your team to work directly on production files without putting any code that matters at risk. Works best used with GitHub Desktop.

Just a little helper tool for proofreading my papers and such

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A powerful Chromium extension that leverages the multiple AI APIs to assist with various text operations, image analysis, and PDF processing.