1
GitBook Free tier

Modern documentation platform that syncs with Git repositories and provides a polished reading experience.

Free for public open-source docs · Paid from $6.70/user/mo Teams that want beautiful docs with Git-backed version control
Git Sync WYSIWYG Editor Custom Domains Search
2
Mintlify Free tier

Documentation platform focused on beautiful API docs with built-in components and analytics.

Free Hobby plan with 1 editor · Paid from $150/mo Developer-facing products that need polished API documentation
API Playground OpenAPI Support Analytics MDX Components
3
Docusaurus Free Open Source

Meta's open-source static site generator optimized for building documentation websites with React.

Free Open-source projects and teams that want full control over their docs site
Static Site Versioning MDX Support i18n

Quick comparison: ReadMe vs GitBook

Feature ReadMe GitBook
Starting price $99/mo $6.70/user/mo

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