the open source movement

Replace Authy.

6 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. EnteEnd-to-end encrypted photo backup and 2FA authenticator apps with a self-hostable server or Ente's cloud.★ 29k AGPL-3.0 Dart self-host managed
  2. Aegis AuthenticatorAndroid app that stores 2FA tokens in an encrypted vault and generates TOTP/HOTP codes, with backups.★ 13k GPL-3.0 Java self-host
  3. StratumAndroid and Wear OS authenticator generating 2FA codes, with encrypted backups and imports from other apps.★ 4.6k GPL-3.0 C# self-host
  4. 2FAuthWeb app for storing two-factor accounts and generating TOTP/HOTP codes from any browser.★ 4.2k AGPL-3.0 PHP self-host
  5. FreeOTPAndroid authenticator app generating TOTP/HOTP one-time codes, added by scanning QR codes.★ 1.7k Apache-2.0 Java self-host
  6. 2FAS AuthAndroid authenticator app for TOTP and HOTP codes with encrypted backup and browser-extension autofill.★ 1.5k GPL-3.0 Kotlin self-host
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.