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SurfSenseWeKnora
Free

Free and open source to self-host.

 Free

Free to self-host from the public repository.

Web, Self-hosted Self-hosted
  • Can run air-gapped with your data kept private
  • Answers questions over your own documents and connected sources
  • RAG search, agent and wiki modes over the same knowledge bases
  • Syncs from Confluence, GitLab, Notion, Feishu and other sources
  • Requires setting up and maintaining your own server
  • Fast pace of change can mean frequent updates
  • Repository license is not clearly identified as OSI-approved
  • Aimed at team deployments, so setup is heavier than a desktop app
Self-hosted Self-hosted
Open source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 26, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.