The best Wiki Engine alternative to BookStack is Ibis Wiki, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to BookStack and 14 are Wiki Engines so hopefully you can find a suitable replacement. Other interesting Wiki Engine alternatives to BookStack are Docmost, MediaWiki, DokuWiki and XWiki.
Ibis is a federated encyclopedia which uses the ActivityPub protocol, just like Mastodon or Lemmy. Users can create, browse, edit articles and use many other features. If you want to start a wiki for a TV series, a video game, or an open source project, then Ibis is for you!
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis.
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...
XWiki is the ultimate open-source structured wiki designed to enhance business collaboration and efficiency. Tailored for tech-savvy professionals, XWiki’s extensibility, customization, and flexibility make it indispensable for managing large projects and datasets, while...
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 (.
Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains, extensions and many other features. It is based on MediaWiki.
Filesystem and git-based wiki engine written in Go using Mycomarkup as its primary markup language.
WackoWiki is a light and easy to install multilingual Wiki-engine. Supports WYTIWYG-editing, page rights (ACLs), page comments, file uploads, email notification, design themes (skins) and much more. Compatible with PHP 8.0 - 8.5 and MariaDB / MySQL / SQLite.
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DokuWiki is pretty powerful once you get used to using the syntax. Once you use it you can be working very fast on DokuWiki.