Top 12 BookStack Alternatives

dokuwiki [DokuWiki]

TiddlyWiki — a non-linear personal web notebook

Confluence is content collaboration software that changes how modern teams work

Nuclino is a unified real-time workspace for teams that brings all your notes, tasks, and docs together in one place.

A powerful Open Source collaborative platform enhancing collaboration and communication.

Collaborate with your team and share the data you care about in one place

MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.

Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.

An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.

wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.

Static single file CMS/Wiki done purely with client-side Javascript and HTML5.

Plone CMS: Open Source Content Management — Plone.org