Compare software

MediaWikiOutline
Free

Free and open software with no charge.

 Freemium

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

Web, Self-hosted Web, Self-hosted
  • Proven at very large scale by Wikipedia
  • Large library of extensions
  • Fast collaborative editor with slash commands and nested collections
  • Needs a server and some administration to install and maintain
  • Wiki markup and setup take time to learn
  • Source-available under the Business Source License, not open source
  • The hosted plan is paid and self-hosting needs Postgres, Redis and object storage
Self-hosted Self-hosted, Web application, Hosted service
Open source Closed 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 October 2, 2026

Checked September 22, 2026

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