4 Open Source alternatives to Confluence in 2026
We compare 4 self-hostable tools you can deploy on your own server in minutes, with license, tech stack and a ready-to-copy docker-compose.
Quick comparison
Sorted by featured first, then GitHub stars as a tiebreaker — the same rule we use across the whole site.
Detailed profile of each alternative
Alternative to Confluence, Notion
Fast, elegant team wiki, an alternative to Confluence.
Alternative to Confluence
Documentation organized into books and pages, an alternative to Confluence.
Alternative to Confluence, Notion
Modern collaborative wiki, an open source alternative to Confluence.
Alternative to Confluence
Modern wiki with version control, an alternative to Confluence.
How much does Confluence cost, and how much can you save?
Confluence charges a recurring monthly fee. Self-hosting the alternative, you only pay for the server — usually a few dollars a month.
Calculate your exact savings in the SaaS Audit →Already know which one you want?
Add Outline to the Stack Builder and generate a ready-to-deploy docker-compose.yml, alone or alongside the rest of your stack.
Build my stackFrequently asked questions
Do I need Docker to self-host a Confluence alternative?
Yes, for all 4: each one has a ready-to-copy docker-compose.yml. You just need Docker installed on your server.
How much RAM do I need at minimum?
The lightest option on this list is Wiki.js, which runs on as little as 1GB of RAM — enough for a cheap VPS.
Are they all 100% free, or are there paid features like on Confluence?
2 out of 4 are 100% FOSS. The rest are Open-Core: the core is free and self-hostable, but some advanced feature may stay paid — we call it out on each tool's page.