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ButtercupBitwarden
Free

Free and open source, no longer developed.

 Freemium

Free tier; Premium is $1.65/month billed annually, Families $3.99/month; Teams and…

Windows, macOS, Linux Windows, macOS, Linux, Android, iOS, Web, Browser extension, Command line, Self-hosted
  • Vaults are ordinary encrypted files you control, with no Buttercup account
  • Installers for Windows, macOS and Linux, plus a portable Windows build
  • Clients for browsers, desktop, mobile, web and CLI with cloud sync
  • Free tier includes unlimited devices and passwords, passkeys and Bitwarden Send
  • 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
  • Offline use is read-only; items cannot be added or edited without a connection
  • F-Droid build has no push notifications, so vault sync is manual
Downloadable app Downloadable app, Web application, Browser extension, Hosted service, Self-hosted
Open source Open source
License: GPL-3.0 License: GPL-3.0-only
No account needed Account needed
Works offline Works offline

Checked September 26, 2026

Checked September 20, 2026

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