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Password SafeButtercup
Free

Free and open source.

 Free

Free and open source, no longer developed.

Windows, Linux Windows, macOS, Linux
  • Local encrypted file with no account or cloud
  • Autotype and automatic backups
  • Vaults are ordinary encrypted files you control, with no Buttercup account
  • Installers for Windows, macOS and Linux, plus a portable Windows build
  • No built-in sync between devices
  • Mobile access relies on third-party apps
  • The project has ended; no updates or security fixes will follow the September 2024 release
  • Issues and pull requests are ignored, so bugs will not be fixed
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 26, 2026

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