GoldenpassportA native implementation of Google Authenticator for Mac based on Swift
FreeotpplusEnhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticator
Go GuardianGo-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication.
Python BnaPython implementation of the mobile Blizzard Authenticator (TOTP)
AegisA free, secure and open source app for Android to manage your 2-step verification tokens.
OtpauthOne Time Password (HOTP/TOTP) library for Node.js, Deno and browsers.
Aura.authProvides a unified interface to local and remote authentication systems.
TwofaA TouchID-aware 2-factor authenticator for macOS
Bash Totp[bash] Time-based One-time Password Generator
Login otpOTP authentication for OpenBSD implementing RFC 6238 and RFC 4226.
AuthenticatorAuthenticator generates 2-Step Verification codes in your browser.
Otplib🔑 One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator
Steam☁️ Python package for interacting with Steam
AnchorEOSIO Desktop Wallet and Authenticator
Krypton IosKrypton turns your iOS device into a WebAuthn/U2F Authenticator: strong, unphishable 2FA.
authGet started with the Android Authentication Framework!
twothyTwo factor authenticator for CLI
openauthA beautiful, secure and simple authenticator app that supports multiple protocols and services. Free and open source. Written in Flutter and Dart.
MinaOTPTOTP authenticator implement as a wechat mini program
WristkeyA free and open-source offline authenticator app for Wear OS.
totpTime-Based One-Time Password Code Generator
securA cross-platform 2FA TOTP app with a beautiful UI, written in Flutter.
uru-cardArduino based firmware for FIDO2 Authenticator