Compare software

OutlineMediaWiki
Freemium

Hosted plans are paid. Self-hosting is possible under the source-available Business Source…

 Free

Free and open software with no charge.

Web, Self-hosted Web, Self-hosted
  • Fast collaborative editor with slash commands and nested collections
  • Proven at very large scale by Wikipedia
  • Large library of extensions
  • Source-available under the Business Source License, not open source
  • The hosted plan is paid and self-hosting needs Postgres, Redis and object storage
  • Needs a server and some administration to install and maintain
  • Wiki markup and setup take time to learn
Self-hosted, Web application, Hosted service Self-hosted
Closed source Open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.