Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Open source alternative to:
Outline is a fast, modern, open source knowledge base and wiki built for growing teams. It is a popular self-hostable alternative to Notion and Confluence, with a focus on speed, a polished editor, and an excellent Markdown experience.
Outline includes real-time collaborative editing, nested documents, full-text search, public sharing, embeds for Figma, Loom, YouTube, and more, plus a clean permission model. It exports and imports Markdown seamlessly, which makes it a favourite for developer documentation and product wiki use cases.
Released under a source-available BSL license, Outline is built with Node.js, React, and TypeScript. The community edition is fully self-hostable, and a hosted cloud plan is available for teams that want managed infrastructure.
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Repository details
Updated 6/25/2026, 9:01:01 AM
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