The best Wiki Engine alternative to GitBook is BookStack, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to GitBook and six of them are Wiki Engines so hopefully you can find a suitable replacement. Other interesting Wiki Engine alternatives to GitBook are Nuclino, DokuWiki, Wiki.js and Mycorrhiza Wiki.
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.
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.
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...
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 (.
Filesystem and git-based wiki engine written in Go using Mycomarkup as its primary markup language.
A lightweight and simple reader for ZIP archives containing Markdown and HTML files, designed as a modern and portable help file viewer.
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is not like gitbook,is more another php site generate for a online book if you're a writter.