otp topic

Authenticator generates 2-Step Verification codes in your browser.

Authenticator-Extension

:key: One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

yeojz

:closed_lock_with_key: multi factor authentication system (2FA, MFA, OTP Server)

privacyidea

A .NET implementation of TOTP and HOTP for things like two-factor authentication codes.

kspearrin

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes

Bubka

Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticator

helloworld1

A one-time password (HOTP/TOTP) library for Java

jchambers

[Unmaintained] Open source two-factor authentication for Android

andOTP

🔑 A small library for generating TOTP and HOTP one-time passwords on iOS.

mattrubin

One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.

hectorm