the open source movement

Replace Confluence.

9 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. OutlineKnowledge base and wiki for teams with real-time collaborative editing and Markdown support.★ 41k BSL-1.1 TypeScript self-host managed
  2. Wiki.jsWiki application built on Node.js with Markdown and visual editors, search and authentication integrations.★ 29k AGPL-3.0 Vue self-host
  3. DocmostCollaborative wiki and documentation software with real-time editing, spaces and permissions.★ 22k AGPL-3.0 + enterprise ee/ TypeScript self-host managed
  4. BookStackPlatform for storing and organizing documentation in a structure of books, chapters and pages.★ 19k MIT PHP self-host
  5. ShowDocOnline tool for IT teams to write and share API documentation and technical docs.★ 13k Apache-2.0 with attribution terms PHP self-host managed
  6. MediaWikiWiki software that runs Wikipedia, with page history, templates and an extension ecosystem.★ 5.2k GPL-2.0-or-later PHP self-host
  7. DokuWikiWiki engine that stores pages in plain text files and requires no database.★ 4.7k GPL-2.0 PHP self-host
  8. AlexandrieOffline-first Markdown note-taking and knowledge base app with team workspaces, OIDC/SSO and S3 backups.★ 2.8k MIT Vue self-host
  9. DocumizeDocumentation and knowledge base platform for internal and external docs, built with Go and EmberJS.★ 2.4k AGPL-3.0 JavaScript self-host
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.