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DeltaSyncKee Vault
Free

Free and open source; you supply your own server.

 Paid

30-day free trial, then £20 per year.

Windows, macOS, Linux, Android, Self-hosted, Browser extension Android, iOS, Web
  • Server sees only encrypted data, never entries or passwords
  • Incremental entry-level sync with KeePassXC merge logic
  • Uses the open KeePass vault format
  • Web app works on any modern desktop browser
  • Requires running a PHP and PostgreSQL server
  • No public or default server
  • Requires a paid subscription after the trial
  • No native desktop app; desktop use is through the browser
Downloadable app, Self-hosted, Browser extension Downloadable app, Web application, Hosted service
Open source Open source
License: GPL-3.0-or-later License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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