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Last Updated: 07-16-2026 11:13 AM (UTC)

Docmost

Confluence and Notion both want your team's documentation in their cloud; Docmost, an open-source collaborative wiki platform, keeps it on your server. The centerpiece is a Notion-style block editor with CRDT-based real-time collaboration: multiple people edit the same page simultaneously and changes merge without conflicts or overwrites. Content lives in spaces - per team, project, or department - with nested page trees, role-based permissions, groups, inline comments, page history with restore, and full-text search across everything. The editor covers tables, code blocks, callouts, KaTeX math, and file attachments, and diagramming is built in rather than bolted on: Mermaid, Draw.io, and Excalidraw all render inside pages, alongside embeds for Airtable, Loom, Miro, and more. Migration paths include Notion, Markdown, HTML, and ZIP archive imports (Confluence, PDF, and DOCX importers ship in the Enterprise edition, along with SSO via SAML/OIDC/LDAP and MFA). The stack is TypeScript with PostgreSQL and Redis, deploys via Docker Compose, runs in air-gapped environments with no external dependencies, and is translated into 10+ languages. The AGPL-3.0 community edition carries no per-seat fees; the project has passed 20,000 GitHub stars since its 2024 launch.

Docmost

Benefits

  • Confluence Features Without Per-Seat Bills
  • Real-time editing, spaces, permissions, history, and search for unlimited users - the community edition has no licensing meter.
  • Everyone Edits, Nobody Overwrites
  • CRDT synchronization merges simultaneous edits cleanly, so the whole team can work in one page during a meeting.
  • Diagrams Where the Docs Are
  • Mermaid, Draw.io, and Excalidraw render inside pages natively - no plugin marketplace or paid add-ons required.
  • Knowledge That Stays on Your Servers
  • Fully self-hosted, air-gap capable, and AGPL-licensed: company documentation never lives in someone else's cloud.

Features

  • Real-Time Block Editor
  • Notion-style editing with tables, code blocks, callouts, KaTeX math, and conflict-free concurrent sessions.
  • Spaces and Nested Pages
  • Organize by team or project with page trees, role-based permissions, and user groups.
  • Built-In Diagramming
  • Mermaid, Draw.io, and Excalidraw embedded directly in pages, plus Airtable, Loom, and Miro embeds.
  • History, Comments, and Search
  • Page versioning with restore, inline discussion threads, and instant full-text search across spaces.
  • Import Pipelines
  • Notion, Markdown, HTML, and ZIP imports in community; Confluence, PDF, and DOCX in Enterprise.
  • Modern Self-Hosted Stack
  • TypeScript, PostgreSQL, and Redis via Docker Compose; air-gapped operation and 10+ language translations.