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Software · Internet & communication

Keyoxide

Verify decentralized cryptographic identities on the go.

  • Completely free
  • Linux and Android
  • Open source

At a glance

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

Its licence (AGPL-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 advertising
  • Commercial use allowed

About

Keyoxide allows you to prove “ownership” of accounts on websites, domain names, IM, etc., regardless of your username. When you visit someone’s Keyoxide profile and see a green tick next to an account on some website, it was proven beyond doubt that the same person who set up this profile also holds that account. App features: Runs on Linux desktop and mobile Simple and straightforward UI Onboarding and guided tour Fully open source Supports fingerprint and email address as identifiers Supports fetching identities via keyservers and Web Key Directory Deep linking with openpgp4fpr and aspe URL schemes Search history Contacts feature ASP profile management: create, edit, delete, import, export profiles and add claims directly within the app Hide sensitive user profiles and protect them with authentication Add multiple PGP or ASP profiles Available in 11 languages

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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