• Alex.js: Catch insensitive, inconsiderate writing. Whether your own or someone else’s writing, Alex helps you find gender favoring, polarizing, race related, religion inconsiderate, or another unequal phrasing.
• Atomic AI / Atomic Reach: Real time, custom and predictive recommendations to create well written content with your audience in mind every time.
• The Chicago Manual of Style: The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format.
• Cliche Finder: Finds and highlights cliches in your writing.
• Contributor Covenant: A code of conduct pledge, to respect and appreciate contributors and participants in open source projects.
• Danger: Formalizes pull request ettiquette.
• Grammarly: Grammarly makes sure everything you type is clear and mistake-free. It even checks for plagiarism.
• The Hemingway Editor: Hemingway helps you write with power and clarity by highlighting adverbs, passive voice, and dull, complicated words. Cut the dead weight from your writing.
• JigSaw: A technology incubator focused on countering extremism and removing censorship online.
• Markdownlint: A tool to check markdown files and flag style issues.
  • Markdownlint-cli: Provides a command line interface for MarkdownLint.
• Perspective API: An API that uses machine learning models to score the perceived impact of comments before they are sent. There is a demo nearer to the bottom of the page which can be used to try out the API.
• Prompts: Prompts makes suggestions for what you should write next.
• ProWritingAid: ProWritingAid suggests edits for repetitiveness, vague wording, sentence length variation, over-dependence on adverbs, passive voice, over-complicated sentence constructions, spelling, and grammar.
• Readable.io: Readable.io analyzes the readability of text and suggests ways to improve it.
• Taskade: Taskade is a real-time collaborative editor for creating bullet lists, outlines, and task lists.
• Weallbehave: Weallbehave is a command-line tool for automatically generating and updating the CODE_OF_CONDUCT.md for your projects.
• Write Good: Write Good is a tool for improving language that can be run again code in a shell or within text editors via test editor plugins.

This list was started by Jason Farmer along with Jeff Wainwright to share tools that might make writing a bit more friendly. Any insights or suggestions are very much appreciated.

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