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Software · Security & privacy

Master Key

Master Key is a password manager, available on Linux.

  • Completely free
  • Linux
  • Open source

At a glance

All of Master Key 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
  • Commercial use allowed

About

Master Key is a password manager application that generates and manages passwords without the need to store them Features: Passwords are generated using a combination of a master key, a site and a login Passwords are never stored Passwords can be recreated everywhere The accounts information is encrypted Follows the GNOME Human Interface Guidelines

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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