Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

74.4k stars5.7k forksAGPL-3.0last commit Actively maintained
Guru is a cloud-based knowledge management and internal wiki platform that captures, organizes, verifies and delivers company knowledge. It integrates with tools such as Slack and browser extensions to surface and search verified answers in the flow of work.
Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

74.4k stars5.7k forksAGPL-3.0last commit Actively 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 Actively 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 Actively 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 Actively 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 Actively 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 Actively 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 Actively 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 Slowing down
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 Actively 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 Actively 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 Actively 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 Actively 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 Actively 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 Actively 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 Actively maintained
Enterprise-grade open-source wiki platform for knowledge management, intranets and web applications.

1.3k stars652 forksLGPL-2.1last commit Actively maintained
Open source Stack Overflow clone for teams: Q&A, knowledge sharing, search, spaces, reputation, webhooks, and integrations via a Para backend.

921 stars230 forksApache-2.0last commit Actively maintained
Open-source, Markdown-based flat-file CMS for documentation, knowledge bases, manuals and eBook generation with plugins, themes and AI-assisted editing.

610 stars76 forksMITlast commit Actively maintained
Go-based flat-file wiki that stores content as Markdown with built-in search, version history, and access control, without an external database.

601 stars49 forksGPL-3.0last commit Actively maintained
Lightweight databaseless wiki using Markdown files with WYSIWYG editor, attachments, revisions and sitemap. Runs on PHP/Apache and available via Docker.

514 stars62 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 19 of 20 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT, GPL-2.0, GPL-3.0, LGPL-2.1. In exchange you take on hosting, backups and updates yourself.
Browse everything in Wikis & Knowledge Bases.