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
★ 69,679AFFiNE 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.
SiYuan
★ 44,561SiYuan 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.
Outline
★ 39,025Outline 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.
Wiki.js
★ 28,480Wiki.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.
docmost
★ 20,700Collaborative wiki and documentation software (alternative to Confluence, Notion).
Docs
★ 16,603Collaborative note taking, wiki and documentation platform that scales.
Gollum
★ 14,283Simple, Git-powered wiki with a sweet API and local frontend.
TiddlyWiki
★ 8,599Reusable non-linear personal web notebook.
Dokuwiki
★ 4,652Easy 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.
Raneto
★ 2,893Knowledgebase platform that uses static Markdown files.
Documize
★ 2,407Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona.
Aleph
★ 2,384Tool 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.
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.