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Buttercup

Cross-platform password manager with multiple storage backends

Password Managers Archived ★ 4.4k stars Easy setup GPL-3.0

This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained password managers alternative.

Buttercup is a free, open-source password manager available for desktop, mobile and browsers. Vaults are stored in an encrypted format and can sync through Dropbox, WebDAV, Google Drive or local files.

Official siteSource code

Key features

  • Encrypted vaults with multiple backends
  • WebDAV and cloud storage sync
  • Browser extensions for autofill
  • Cross-platform desktop and mobile apps

Pros & cons

Strengths

  • Flexible storage options
  • Clean modern UI

Trade-offs

  • Sync relies on third-party storage

Is Buttercup secure?

No known vulnerabilities affect Buttercup's latest release (v2.28.1). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2023-41646, published 2023-09-07 (1133 days ago)

Source: OSV.dev, checked 2026-10-14. How this is measured.

Buttercup replaces

Self-hosted 1Password alternativesSelf-hosted LastPass alternatives

Health badge

Maintain Buttercup? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 15 · archived

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<a href="https://selfhostindex.com/app/buttercup/"><img src="https://selfhostindex.com/badge/buttercup.svg" alt="SelfHostIndex health score for Buttercup"></a>
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   :alt: SelfHostIndex health score for Buttercup
   :target: https://selfhostindex.com/app/buttercup/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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