GitBook is described as 'Tool for building beautiful books using Git and Markdown. It can generate your book into multiple formats:' and is a popular documentation generator in the development category. There are more than 100 alternatives to GitBook, not only websites but also apps for a variety of platforms, including Self-Hosted, Linux, Mac and Windows apps. The best GitBook alternative is BookStack, which is both free and Open Source. Other great sites and apps similar to GitBook are Sigil, Foam, Nuclino and DokuWiki.
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.
United Kingdom
Serbia
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.
Germany
EU
DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful syntax which makes sure the datafiles remain readable outside the Wiki and...
GermanyEU
Docusaurus is a project for easily building, deploying, and maintaining open source project websites.
United States
Write your content in the widely used and simple Markdown format, using the built-in visual editor. Unlike other wiki software that save content in a database with a difficult to extract format, Wiki.js saves all your content directly into Markdown (.
Canada
Trusted by 8,000 businesses, Confluence is the leading collaboration software and enterprise wiki for intranets and knowledge management. Free 30-day trial.
Australia
Designed for remote teams, it streamlines workflows by unifying documentation, discussion, and task execution. Features include a powerful editor, video explainers, sketch tools, integrations with Slack, Google Drive, project management tools, and advanced search capabilities.
United States
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.
United Kingdom
Dropbox Paper is more than a doc—it’s a workspace that brings creation and coordination together in one place.
United States
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.
