Self-hosted alternatives to Confluence

Corporate wiki and documentation, self-hosted. Below are 12 open source options you host on your own server — with no monthly per-user fee and full control of your data.

AFFiNE Community Edition

★ 69,679

AFFiNE combines documents, whiteboards and databases in a single workspace, like a mix of Notion and Miro. Hosted by you, it's a knowledge workspace entirely under your domain.

Knowledge Management Tools MIT

SiYuan

★ 44,561

SiYuan is a privacy-first personal knowledge manager, with blocks, markdown and a note graph. Self-hosted, it's an alternative to Notion/Obsidian with your data on your own server.

Knowledge Management Tools AGPL-3.0

Outline

★ 39,025

Outline is a fast, beautiful wiki for team documentation, with powerful search and a modern editor. Self-hosted, it's the alternative to Notion/Confluence for the company's knowledge base.

Wikis BUSL-1.1

Wiki.js

★ 28,480

Wiki.js is a modern, lightweight wiki built on Git and Markdown, with access control and visual editors. Hosted by you, it keeps documentation versioned and under your domain.

Wikis AGPL-3.0

docmost

★ 20,700

Collaborative wiki and documentation software (alternative to Confluence, Notion).

Wikis AGPL-3.0

Docs

★ 16,603

Collaborative note taking, wiki and documentation platform that scales.

Note-taking & EditorsKnowledge Management Tools MIT

Gollum

★ 14,283

Simple, Git-powered wiki with a sweet API and local frontend.

Wikis MIT

TiddlyWiki

★ 8,599

Reusable non-linear personal web notebook.

Wikis BSD-3-Clause

Dokuwiki

★ 4,652

Easy to use, lightweight, standards-compliant wiki engine with a simple syntax allowing reading the data outside the wiki. All data is stored in plain text files, therefore no database is required.

Wikis GPL-2.0

Raneto

★ 2,893

Knowledgebase platform that uses static Markdown files.

Wikis MIT

Documize

★ 2,407

Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona.

Wikis AGPL-3.0

Aleph

★ 2,384

Tool for indexing large amounts of both documents (PDF, Word, HTML) and structured (CSV, XLS, SQL) data for easy browsing and search. It is built with investigative reporting as a primary use case.

Search EnginesKnowledge Management Tools MIT

Frequently asked questions

Is there a free self-hosted alternative to Confluence?

Yes. We've gathered 12 self-hosted, open source alternatives to Confluence — including AFFiNE Community Edition, SiYuan, Outline. You run all of them on your own server.

What is the best open source alternative to Confluence?

AFFiNE Community Edition is one of the most popular (69,679 GitHub stars). The "best" depends on your case — compare the options below.

Do I need a server to replace Confluence?

Yes. You can use a home server (homelab) or a cheap VPS (from ~€4/mo). See the hosting suggestions on this page.