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Comparisons

Open-source OneNote alternative: BookStack, AFFiNE and Docmost

Updated 7/19/2026

OneNote (and Notion) keep your team notes on someone else\'s servers. For documentation and shared knowledge, you have three strong open-source alternatives, on your own server.

BookStack: structured documentation

BookStack organizes everything into books, chapters and pages, ideal for a clear, easily searchable internal knowledge base.

AFFiNE: documents and whiteboard

AFFiNE combines documents, a whiteboard and databases in one workspace, an alternative to Notion and Miro.

Docmost: collaborative wiki

Docmost is a modern wiki with workspaces, real-time editing and permissions, suited to teams that actively collaborate on documentation.

How to choose

  • BookStack: technical documentation and structured knowledge bases.
  • AFFiNE: visual notes, brainstorming, flexible documents.
  • Docmost: team wiki with collaborative editing.

How to start

All three are in the one-click app catalog. Pick the one that fits your team\'s style; a small plan is enough to start.

Put this guide into practice on your own VPS

EU cloud servers, billed hourly, ready in minutes, with one-click installs for dozens of apps.

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