20 self-hosted Microsoft SharePoint 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

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

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

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

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

Minimalistic document management and archiving platform for long-term storage, full-text search, tagging, and automated ingestion via email or folders.

5.1k stars259 forksAGPL-3.0last commit 26 Jul 2026Actively maintained

Open-source, local-first Slack and Notion alternative combining team chat, rich docs, databases, and file management with offline-first sync and self-hosting.

5k stars308 forksApache-2.0last commit 3 Apr 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

Self-hosted photo gallery for organizations and individuals; supports large libraries, albums, plugins, themes, permissions and a developer API.

3.8k stars480 forksGPL-2.0last commit 22 Jul 2026Actively maintained

Open-source DMS that OCRs, indexes, and manages scanned PDFs, TIFFs and images with tagging, versioning, metadata and full-text search support.

2.9k stars309 forksApache-2.0last commit 23 Nov 2025Slowing down

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

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-hosted, secure platform for file sharing, collaboration, and document management with no vendor lock-in.

2.2k stars226 forksAGPL-3.0last commit 23 Jul 2026Actively maintained

Manyfold is a self-hosted web app to organize, preview, and share 3D models for 3D printing, with tagging, metadata, and disk reorganization tools.

2.1k stars133 forksAGPL-3.0last commit 27 Jul 2026Actively maintained

Extensible Django wiki application with Markdown pages, versioning, permissions, and a pluggable architecture for integrating knowledge bases into Django sites.

1.9k stars590 forksGPL-3.0last commit 23 Jun 2026Actively maintained

A minimalistic wiki for collaborative documentation, storing pages in Git and editing in Markdown with version history, attachments, and user authentication.

1.5k stars119 forksMITlast commit 24 Jul 2026Actively maintained