Open-source alternatives to Confluence
3 open-source and self-hostable projects you can use instead of Confluence, with license, free-edition limits and setup checked against official sources.
- OutlineAlternative to Confluence, Google Docs
A team knowledge base and wiki with real-time editing, search and integrations, offered as a hosted service or as a self-hosted install.
BUSL-1.1Self-hostedCloud41kGitHub starsSome features paywalled - DocmostAlternative to Confluence, Notion
An open-source collaborative wiki and documentation tool with real-time editing, spaces, groups and page history.
AGPL-3.0Self-hosted22kGitHub starsSome features paywalled - BookStackAlternative to Confluence, Notion
A self-hosted wiki and documentation platform that organises content as shelves, books, chapters and pages.
MITSelf-hosted19kGitHub starsFully featured free edition
- Outline — Outline's site has a page titled as an alternative to Confluence and lists a Confluence importer for its Business edition, so it can replace Confluence as a team wiki.
- Docmost — Docmost is a self-hosted collaborative wiki with spaces, permissions and page history, so it can replace Confluence for team documentation.
- BookStack — BookStack is a self-hosted wiki for team documentation, so it can replace Confluence for internal knowledge bases without per-user licensing.