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SurfSenseOpen Notebook
Free

Free and open source to self-host.

 Free

Free and open source under the MIT license.

Web, Self-hosted Web, Self-hosted
  • Can run air-gapped with your data kept private
  • Answers questions over your own documents and connected sources
  • Privacy-focused self-hosted alternative to a well-known proprietary tool
  • MIT licensed with an active Discord community
  • Requires setting up and maintaining your own server
  • Fast pace of change can mean frequent updates
  • Local processing still depends on which model provider is configured
  • Smaller community than the proprietary product it alternatives
Self-hosted Self-hosted, Web application
Open source Open source
License not stated License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 26, 2026

Checked September 22, 2026

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