GitBook is a tool for building beautiful books using Git and Markdown. It can generate your book into multiple formats:
Cost / License
- Freemium
- Proprietary (Apache-2.0)
Application typeApplication types
Platforms
- Online
United States



Apps similar to nextra include GitBook, which has a free version. Other options are Docusaurus, MkDocs, Archivy and mdBook. Documentation Generators like nextra are a crowded field, with more than 25 alternatives for Linux, self-hosting, Mac, Windows and the web.
GitBook is a tool for building beautiful books using Git and Markdown. It can generate your book into multiple formats:



Docusaurus is a project for easily building, deploying, and maintaining open source project websites.


MkDocs is static site generator that's geared towards building project documentation. Documentation source files are written in Markdown, and configured with a single YAML configuration file.


Simple, powerful, and fast. Meet the modern SSG framework you've always wanted.





Sourcey builds modern static documentation sites directly from the source of your project. It turns Markdown guides, OpenAPI specs, MCP server specs, Doxygen XML, Go package docs, changelogs, examples, and other project context into fast, searchable HTML that you own.

Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license.

The most powerful development environment – now adapted for writing documentation.


Beautiful documentation sites with a visual editor, AI writing, and auto-generated llms.txt. Free tier available. A simpler, affordable alternative to Mintlify and Archbee.



