
Outline
Beautiful team knowledge base and wiki
Outline is the modern team knowledge base with real-time collaboration. With 30K+ GitHub stars, it provides a beautiful, fast wiki for growing teams. Markdown support, Slack integration, and a focus on discoverability make it the Notion alternative you can self-host.

Why Outline?
Knowledge gets trapped in Slack threads, scattered docs, and employee heads. When someone leaves, that knowledge walks out the door. Notion is great but can't be self-hosted. You need a beautiful, fast knowledge base that your team will actually use—one you control.
How It Works
Outline provides a modern wiki experience with real-time collaborative editing. Create nested document structures, link between pages, and use slash commands for quick formatting. Integration with Slack makes knowledge accessible where your team already works.
What Is Outline?
Outline is an open-source knowledge base and wiki. It provides real-time collaboration, markdown editing, semantic search, Slack integration, and a beautiful interface. Self-host or use the cloud service.
Key Benefits
Why teams choose Outline
Beautiful Interface
Modern, clean design that teams actually want to use.
Real-Time Collab
Multiple editors at once with live updates.
Markdown Native
Write in markdown with slash commands for speed.
Semantic Search
Find anything instantly with intelligent search.
Slack Integration
Search and share docs without leaving Slack.
Self-Hosted
Keep your knowledge on your infrastructure.
Features
Everything you need to build with Outline
Document Editor
Rich editor with slash commands and embeds.
Collections
Organize docs into hierarchical collections.
Version History
Track changes and restore previous versions.
Comments
Discuss documents with threaded comments.
Public Sharing
Share docs publicly with a link.
SSO
Single sign-on with SAML, Google, and more.
Use Cases
What you can build with Outline
Technology Stack
Ready to deploy Outline?
Get started in minutes. Deploy on your own infrastructure at actual cloud cost. No markup, no vendor lock-in.