16 self-hosted Bloomfire alternatives

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

40.3k stars3.5k forkslast commit 24 Aug 2026Actively maintained

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

28.8k 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.

21.5k stars1.5k forksAGPL-3.0last commit 26 Aug 2026Actively maintained

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

19k stars2.4k forksMITlast commit 26 Aug 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.

16.8k stars620 forksMITlast commit 31 Jul 2026Actively maintained

Apache Answer is a modern open-source Q&A platform for teams to build knowledge bases, forums, and help centers.

15.7k stars1.4k forksApache-2.0last commit 17 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

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 stars239 forksAGPL-3.0last commit 18 May 2026Actively maintained

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

1.9k stars588 forksGPL-3.0last commit 22 Aug 2026Actively maintained

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

614 stars52 forksGPL-3.0last commit 21 Aug 2026Actively maintained

Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.

379 stars27 forksAGPL-3.0last commit 3 Sept 2025Slowing down

A compact, single-file PHP wiki engine offering page history, file uploads, tagging, themes and collaborative editing for small to medium sites.

206 stars22 forksMPL-2.0last commit 23 Apr 2026Actively maintained

Self-hosted knowledge base web app in PHP/MySQL with Bootstrap UI and TinyMCE editor, offering categories, full-text search, user groups, email password resets and Docker support.

60 stars10 forksGPL-3.0last commit 29 Dec 2025Slowing down

Lightweight PHP wiki engine offering WYSIWYG editing, per-page ACLs, revision control, themes, file uploads, and support for MariaDB/MySQL/SQLite.

55 stars10 forksBSD-3-Clauselast commit 26 Aug 2026Actively maintained

PmWiki is a PHP-based wiki CMS for collaboratively building and maintaining websites with simple markup, skins, extensions, file uploads, and granular access control.

Activity unknown

MediaWiki is an open source wiki engine for building collaborative knowledge bases with versioned pages, templates, categories, and a powerful extension system.

Activity unknown