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rust-keylockProton Pass
Free

Free and open source under the GPL-3.0 licence.

 Paid

Pass Family is a paid subscription covering six users.

Android Windows, macOS, Linux, Android, iOS, Browser extension
  • Open source and written in Rust
  • Android app on F-Droid
  • End-to-end encryption for logins, cards and notes
  • Shared vaults update for every member at once
  • No formal security review yet, by the developers' own warning
  • Smaller project with less ecosystem than mainstream vaults
  • Family features require a paid subscription
  • Requires a Proton account for every member
Downloadable app Downloadable app, Hosted service, Browser extension
Open source Closed source
License: GPL-3.0 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.