Outline vs Notion: Self-Hosted Wiki vs Cloud Workspace

Outline vs Notion comparison. Open-source self-hosted wiki vs cloud-based all-in-one workspace. Features, self-hosting, collaboration, pricing, and which knowledge base to choose.

Outline wins for teams who need a fast, self-hosted wiki with full data control. Notion wins for teams who want an all-in-one workspace with databases, templates, and zero infrastructure management.

Features Compared

FeatureOutlineNotion
Self-Hosted✓✗
Markdown Editor✓Partial
Real-time Collaboration✓✓
Database/Tables✗✓
Full-text Search✓✓
APIREST + GraphQLREST API
SSO/SAML✓Business plan
Mobile AppPWA✓
Free PlanSelf-hosted✓
Open Source✓✗

Outline Pros

  • Fully self-hosted — your data never leaves your server
  • Fast, clean wiki interface built for documentation
  • SSO with Google, Slack, OIDC, and SAML
  • Real-time collaborative editing
  • GraphQL and REST API for integrations

Outline Cons

  • No database/table features like Notion
  • Requires PostgreSQL and Redis to self-host
  • BSL license (converts to Apache after 3 years)
  • No native mobile app (PWA only)
  • Smaller template and integration ecosystem

Notion Pros

  • Powerful databases with filters, sorts, and relations
  • No infrastructure to manage — works immediately
  • Beautiful templates for every use case
  • Excellent real-time collaboration for teams
  • Free for small teams (up to 10 members)

Notion Cons

  • Your data lives on Notion servers — no self-hosting
  • Requires internet for most features
  • Export is limited — vendor lock-in risk
  • No end-to-end encryption
  • Performance degrades with large databases

Winner: Outline — For teams that value data sovereignty and want a fast, focused wiki, Outline wins. Self-host it and your knowledge base stays on your infrastructure. Choose Notion only if you need databases, templates, and zero DevOps.

FAQ

  • Can I self-host Outline for free?

    Yes. Outline is free to self-host. You need a server with Docker, PostgreSQL, and Redis. The Docker Compose setup takes about 10 minutes.

  • Is Outline a good Notion replacement?

    For documentation and wikis, yes. Outline is fast and focused. But it lacks Notion's database features, templates, and all-in-one workspace approach.

  • Does Outline support real-time collaboration?

    Yes. Multiple users can edit the same document simultaneously with presence indicators and live cursors.

  • What databases does Outline support?

    Outline uses PostgreSQL for its database. It does not have Notion-style database/table features for managing structured data within documents.