20 self-hosted GitBook alternatives

An open source static site generator for building and maintaining documentation and project websites with Markdown/MDX, React, versioning, and i18n.

65.7k stars10k forksMITlast commit 23 Jul 2026Actively maintained

Memos is a lightweight, privacy-first self-hosted note-taking service with Markdown, fast search, and sharing features for personal notes, wikis, and team knowledge.

61.8k stars4.6k forksMITlast commit 27 Jul 2026Actively maintained

Open-source, block-oriented personal knowledge manager with Markdown WYSIWYG, block-level two-way links, encrypted sync, Docker deployment and AI integrations.

45.5k stars2.9k forksAGPL-3.0last commit 21 Jul 2026Actively maintained

Outline is a fast, collaborative knowledge base for teams, featuring markdown docs, real-time editing, AI-powered search, and Slack integrations.

39.9k stars3.5k forkslast commit 28 Jul 2026Actively maintained

A modern, extensible Node.js wiki with Markdown editing, powerful admin tools, multiple auth options, and support for popular SQL databases.

28.7k stars3.3k forksAGPL-3.0last commit 1 May 2026Actively maintained

MkDocs is a Python-based static documentation site generator that builds searchable HTML docs from Markdown using a simple YAML configuration and themes/plugins.

22.3k stars2.6k forksBSD-2-Clauselast commit 20 Oct 2025Slowing down

Open-source Confluence/Notion alternative for team wikis and documentation with real-time editing, spaces, permissions, diagrams, and search.

21.1k stars1.5k forksAGPL-3.0last commit 21 Jul 2026Actively maintained

BookStack is a simple documentation and wiki platform with a WYSIWYG and optional Markdown editor, full-text search, permissions, and integrated authentication.

18.9k stars2.4k forksMITlast commit 23 Jul 2026Actively maintained

Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.

16.7k stars610 forksMITlast commit 23 Jul 2026Actively maintained

Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.

16.7k stars610 forksMITlast commit 23 Jul 2026Actively maintained

Git-backed wiki engine that supports multiple markup formats, an integrated editor, and features like diagrams, math rendering, citations, and RSS feeds.

14.3k stars1.6k forksMITlast commit 31 Aug 2025Slowing down

TiddlyWiki is a self-contained, highly customizable personal wiki that runs in the browser or on Node.js, enabling notes, knowledge bases, and documentation in one file.

8.6k stars1.3k forkslast commit 24 Jul 2026Actively maintained

Open-source, web-based collaborative Markdown editor for real-time notes, diagrams, and slide presentations with revisions and access controls.

7.3k stars574 forksAGPL-3.0last commit 5 Jul 2026Actively maintained

DokuWiki is a lightweight, file-based wiki engine with ACL, versioning, and a rich plugin/template ecosystem for documentation and knowledge bases.

4.7k stars918 forksGPL-2.0last commit 25 Jul 2026Actively maintained

Raneto is an open-source, file-based Markdown knowledge base for Node.js with web editing, full-text search, theming, and optional login protection—no database required.

2.9k stars443 forksMITlast commit 18 Mar 2026Actively maintained

Open source architecture documentation tool to model and document domains, services, events, and schemas for event-driven and microservice systems.

2.8k stars269 forkslast commit 27 Jul 2026Actively maintained

Lightweight, privacy-focused self-hosted Markdown notes app with wikilinks, graph view, tags, templates, search, Mermaid diagrams, LaTeX math, and optional password protection.

2.7k stars221 forksMITlast commit 27 Jul 2026Actively maintained

Documize is a self-hosted knowledge base and documentation platform for internal and external docs, offering spaces, labels, search, and enterprise-friendly authentication.

2.4k stars236 forksAGPL-3.0last commit 18 May 2026Actively maintained

Gitit is a wiki engine that stores pages in a git-compatible repo, uses Pandoc for markup, and runs on Happstack.

2.3k stars233 forksGPL-2.0last commit 10 Jun 2026Actively maintained

Self-hostable note-taking and knowledge base app with an extended Markdown editor, fast search, tagging, workspaces, sharing permissions, exports, and offline PWA support.

2k stars127 forksMITlast commit 26 Jul 2026Actively maintained