mdbook VS Daux.io

GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.

Doxygen - Generate documentation from source code

MkDocs - Project documentation with Markdown.

Docusaurus - Easy to maintain open source documentation websites

Docsify.js - A magical documentation site generator.

ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.