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flatnotesSilverBullet
Free

Free to self-host from the public GitHub repository.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Web, Self-hosted Self-hosted, Web
  • No database; notes are plain Markdown files
  • Flat folder storage is easy to back up or sync
  • Combines live previews with queries and programmable extensions.
  • Requires running your own server
  • Flat folder structure offers little hierarchy for large collections
  • Requires running and maintaining your own instance.
Self-hosted Self-hosted
Open source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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