13 self-hosted Hudu alternatives

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

Passbolt is an open-source, security-first password and secret manager for teams, with end-to-end encryption, granular sharing permissions, and auditing.

6k stars392 forksAGPL-3.0last commit 20 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

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 Markdown note-taking web app with multi-user vaults, real-time collaboration, fast search, templates, backlinks/tags, PDF export, and PWA support.

1k stars43 forksMITlast commit 13 Jun 2026Actively 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 18 Jul 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.

601 stars49 forksGPL-3.0last commit 15 Jul 2026Actively 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 31 May 2026Actively maintained

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

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

Perl-based wiki engine focused on high-quality publishing, bookbuilding, EPUB/PDF output, Git and flat-file backends, and multi-database support.

220 stars29 forkslast commit 28 May 2026Actively maintained

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

206 stars21 forksMPL-2.0last commit 23 Apr 2026Actively maintained

Feather Wiki is a lightweight, self-contained wiki that runs from a single HTML file, with Markdown support and optional server-saving via WebDAV-style PUT.

Activity unknown

Trac is a minimalistic, web-based project management tool combining issue tracking, a wiki, and version control integration for Subversion and Git.

Activity unknown