Outline Knowledge Base Wiki

Outline is an open-source team knowledge base and documentation wiki platform designed for fast-growing teams. Founded in 2017 by Tom Moor and Tim Kendall, Outline has grown into a popular self-hosted alternative to Notion and Confluence. The company is based in the United Kingdom. Outline serves thousands of organizations including GitLab, Snyk, and Mozilla. Key features: Markdown-first: all documents are written in Markdown with a WYSIWYG editor. Rich text formatting, code blocks with syntax highlighting, tables, task lists, blockquotes, and embedded media. Block-based editor: drag and rearrange blocks of content. Nested pages: create unlimited page hierarchies with collections (top-level folders) and sub-pages. Collections: organize documentation into collections with custom icons, colors, and access permissions. Real-time collaboration: multiple team members can edit the same document simultaneously with live cursors and presence indicators. Full-text search: instant search across all documents, titles, and content with search ranking. Comments: inline comments on paragraphs with @mentions to notify team members. Backlinks: automatic link tracking between pages, showing which documents reference each other. Starred documents: bookmark frequently accessed pages. Revisions: view full edit history and restore previous versions of any document. Templates: create reusable document templates for meeting notes, RFCs, onboarding, and more. Shareable links: publish documents publicly or share with specific email addresses. Authentication: self-hosted with email and password, Google, or Slack SSO. Hosted version supports Okta, OneLogin, Azure AD, and custom OIDC. API: comprehensive REST API for programmatic access to documents, collections, and search. Webhooks. Self-hosted via Docker. React/Node.js. BSL (Business Source License).