Red Pen
Red Pen is an open-source proofreading tool for identifying writing issues in documents. It checks for spelling, grammar, style, and localization issues in over 20 languages.
proofreading
editing
writing
grammar-check
spell-check
Red Pen: Open-Source Proofreading Tool for Writing Issues
Identify writing errors in spelling, grammar, style, and localization with Red Pen, a free open-source proofreading tool available in 20+ languages.
What is Red Pen?
Red Pen is an open-source proofreading tool used to detect various writing issues and suggest corrections. It analyzes documents written in over 20 languages including English, German, French, Japanese and supports file formats like Word, PowerPoint, HTML, Markdown, Text, etc.
Some of the key features of Red Pen include:
- Grammar checking - identifies issues like punctuation errors, tense errors, missing words, etc.
- Spelling correction
- Style checking - flags issues like passive voice, weak verbs, wordy phrases, etc.
- Localization checks - detects terminology, consistency and other issues when writing for international audiences
- Customization - allows creating custom checks and dictionaries based on specific writing guidelines
- Blacklisting - option to suppress false alarms on valid words/phrases
- Report generation - results can be exported into text, csv, xml reports
- Plugin architecture - supports extending functionality via Java and other plugins
- Actively maintained open-source project with 150+ contributors
Overall, Red Pen aims to help writers and translators produce clean, consistent and error-free documents that adhere to style rules and terminology guidelines.
Red Pen Features
Features
- Spelling, grammar, style checking
- Support for over 20 languages
- Customizable rules
- Integration with multiple formats like Word, PDF, Markdown
- Web interface
- Command line interface
- APIs for integration
Pricing
- Open Source
Pros
Free and open source
Highly customizable rules
Wide language support
APIs allow integration into workflows
Active development community
Cons
Not as advanced as some commercial alternatives
Requires technical knowledge to fully customize
Limited built-in style guides
Official Links
The Best Red Pen Alternatives
Top Office & Productivity and Writing & Editing and other similar apps like Red Pen
Here are some alternatives to Red Pen:
Suggest an alternative ❐
ZipBoard
zipBoard is an online virtual whiteboard and collaboration platform designed for teams to visualize ideas and collaborate remotely. It provides an infinite digital canvas for brainstorming sessions, design sprints, document markup, and more.With zipBoard's versatile toolset, teams can create diagrams, wireframes, and sketches using sticky notes, freeform drawing, basic shapes,...
Approval Studio
Approval Studio is document workflow automation software that helps companies streamline their document approval and review processes. It provides an easy way to create automated approval rules and workflows without the need for coding.Some key features of Approval Studio include:Drag-and-drop workflow designer to easily build approval workflows and rulesSupport for...
Notable
Notable is a free, open-source note taking application with a simple and intuitive interface. It is designed for quickly capturing thoughts, organizing notes, and keeping track of to-do lists.Some key features of Notable include:Basic formatting options like bold, italics, headlines, bullets, etc.Tagging notes for easier searching and organizationFull-text search to...
ProjectHuddle
ProjectHuddle is an intuitive online project management and collaboration software designed to help teams plan, track and deliver projects more effectively. It provides a centralized workspace for teams to collaborate across tasks, documents, conversations and projects.With ProjectHuddle, teams can break down project goals into actionable tasks and to-do lists, set...
Moqhub
Moqhub is an open-source mock API platform that makes it easy for developers to create, share, and collaborate on mock APIs for faster development. It allows you to quickly mock out REST APIs and GraphQL schemas without needing to code and host a real backend.Some key features of Moqhub:Intuitive graphical...
Visualtip
Visualtip is a free and open-source vector graphics editor for Windows, Mac and Linux. Developed to provide an accessible alternative to premium products like Adobe Illustrator, Visualtip packs professional-grade design tools like the Gradient Mesh into an intuitive interface.With its focus on usability, Visualtip is ideal for beginners looking to...
LayerVault
LayerVault is a cloud-based platform designed specifically for designers and creative teams to manage, version, and showcase their files. It serves as a centralized design library that integrates with popular design tools like Sketch, Photoshop, Illustrator, and InDesign to automatically back up and version control project files.Key features include:Unlimited version...
Flatsies
Flatsies is an easy-to-use web-based application for creating mockups, wireframes, and prototypes of websites, mobile apps, and other digital products. It allows designers, developers, and product managers to quickly visualize and test ideas without coding.With an intuitive drag-and-drop interface, Flatsies makes it simple to add elements like text boxes, buttons,...
Shipment App
Shipment App is a comprehensive cloud-based shipping and delivery management solution built for small and medium-sized ecommerce businesses. It streamlines the entire shipment process from order to delivery by providing powerful yet easy-to-use features to:Create and manage shipment orders with just a few clicksPrint shipping labels for all major carriers...
Notism
Notism is a free, open-source note taking and task management application. It has a simple and intuitive user interface that allows you to easily take notes, create to-do lists, track tasks, and organize information.Some key features of Notism include:Clean, distraction-free interface for focused content creationBasic formatting options for notes including...
