Open-source alternatives to Google Authenticator

Free, open-source, downloadable replacements for Google Authenticator

Android app for managing 2FA tokens. — A free, secure and open source app for Android to manage your 2-step verification tokens.

13.4k+12/dayGNU General Public License v3.0Password Managersbeemdevelopment/Aegis

Generate 2FA codes in browser — Authenticator generates 2-Step Verification codes in your browser.

4.7k+2/dayMIT LicensePassword ManagersAuthenticator-Extension/Authenticator

A two-factor authentication app for Android and Wear OS. — 📱 Two-Factor Authentication (2FA) client for Android + Wear OS

4.6kGNU General Public License v3.0Password Managersstratumauth/app

Two-factor authentication app for Android. — [Unmaintained] Open source two-factor authentication for Android

3.7kMIT LicensePassword ManagersandOTP/andOTP

Two-factor authentication app for Android.

1.7k+1/dayApache License 2.0Password Managersfreeotp/freeotp-android

Open source Google Authenticator app — Open source fork of the Google Authenticator Android app

1.7kApache License 2.0Password Managersgoogle/google-authenticator-android

Two-factor authentication app for online accounts. — Source code for 2FAS Auth Android app

1.5k+1/dayGNU General Public License v3.0Password Managerstwofas/2fas-android