GitBook is a tool for building beautiful books using Git and Markdown. It can generate your book into multiple formats: Static Website: This is the default format, it generates a complete interactive static website.
Read the Docs hosts documentation for the open source community. It supports Sphinx docs written with reStructuredText, and can pull from your Subversion, Bazaar, Git, and Mercurial repositories. The code is open source, and available on github.
MkDocs is a fast, simple and downright gorgeous 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.
Daux.io is a documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly. It helps you create great looking documentation in a developer friendly way.
A documentation generator that builds HTML output based on Markdown files. Supports Markdown specs and offers a wide set of custom components using Markdown-like syntax. Builds Reference Source documentation for .NET projects (more added soon).
hexo-theme-doc is a documentation theme for Hexo, the fast and powerful blog framework powered by Node.js. It differs from other Hexo themes by allowing you to present documentation—especially REST API documentation.