Docmost is an open source collaborative wiki and knowledge base software, presented as a sovereign alternative to Confluence and Notion. It enables teams to create, organize, and share their internal documentation in a modern environment fully under their control.

At its core is real-time collaboration: multiple people can write the same document simultaneously using a rich editor, add online comments and mentions to their pages, and insert diagrams via Draw.io, Excalidraw, or Mermaid. Content is organized into dedicated spaces per team or project, with a nested page tree and powerful full-text search.

On the administration side, Docmost offers fine-grained permission management, user groups, SSO authentication, as well as Markdown and HTML import and export. Built for self-hosting (Docker deployment), it ensures that an organization's documentation remains its sole and exclusive property.