Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.



NextBook is described as 'Is quick and easy way to buid technical books or documentation that support modern standards and run blazingly fast. It's built with MDX and Next.js and works by compiling markdown or MDX down to plain static html' and is a documentation generator in the development category. There are more than 25 alternatives to NextBook for a variety of platforms, including Linux, Mac, Self-Hosted, Windows and Web-based apps. The best NextBook alternative is Sigil, which is both free and Open Source. Other great apps like NextBook are BookStack, Dendron, GitBook and MkDocs.
Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.



BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.




Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.



GitBook is a tool for building beautiful books using Git and Markdown. It can generate your book into multiple formats:



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.


Hyperbook is a quick and easy way to build interactive workbooks, that support modern standards and run superfast. It works by compiling markdown to static pages.





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

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.




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).
