
Outline
Team knowledge base & wiki with real-time collaboration and AI search.
40.3k stars 3.5k forks last commit first released
Actively maintained
Last commit 24 Aug 2026.

Outline is a team knowledge base and wiki that helps organizations capture, organize, and share information. It offers a markdown-friendly editor, real-time collaboration, AI-powered search, and Slack integration. It can be hosted in the cloud or self-hosted on your own infrastructure.
Key Features
- Real-time collaborative editing with a markdown editor, slash commands, and embeddable content
- Fast full-text search with AI-powered answers across documents
- Slack integration to search docs and post updates within channels
- Public sharing with private access controls, custom branding and domains
- Open source with self-hosted deployment and a public API
- Multi-language translations and RTL support
- 20+ integrations with other tools
- Regular open-source development with an active changelog
- API access for programmatic docs management
Use Cases
- Build a centralized internal knowledge base and wiki for teams with real-time collaboration
- Publish public or private documentation portals under your brand and domain
- Integrate with Slack and other tools to surface docs in workflows
Outline combines collaborative editing, powerful search, and flexible hosting to help teams organize knowledge efficiently. With cloud hosted or self-hosted options and extensive integrations, it's suitable for teams of any size.
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