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Software · Security & privacy

Buttercup

A free, open-source and cross-platform password manager.

  • Completely free
  • Windows
  • Open source
  • No account

Overview

Buttercup is a password manager, available on Windows.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “A free, open-source and cross-platform password manager.” — Winget, 10 November 2026

At a glance

All of Buttercup is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 7 November 2026
  • Description from github.com — Manifeste Winget (MIT)

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