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ObsidianStandard Notes
Free

Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…

 Freemium

Free tier with unlimited encrypted sync and plain text notes. Paid plans add editors, file…

Windows, macOS, Linux, Android, iOS, Browser extension Windows, macOS, Linux, Android, iOS, Web, Self-hosted, Browser extension
  • Notes are plain Markdown files in a folder you control, readable without the app
  • Linking, backlinks, tags, graph view and fast search across the vault
  • End-to-end encrypted, with free sync on unlimited devices
  • Server code is public and self-hosting is documented
  • The application is not open source, only the plugin ecosystem and the releases repository
  • Syncing between devices means paying for Obsidian Sync or wiring up your own sync tool
  • The free tier is plain text only; editors are a paid feature
  • An account is required even for local use
Downloadable app, Browser extension Downloadable app, Self-hosted, Browser extension
Closed source Open source
License not stated License: AGPL-3.0
No account needed Account needed
Works offline Works offline

Checked September 20, 2026

Checked September 21, 2026

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