The easiest, most secure way to use WireGuard and 2FA.

Python One-Time Password Library

A One Time Password Authentication package, compatible with Google Authenticator.

This version won't be maintained!

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

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

Authenticator generates 2-Step Verification codes in your browser.

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

Minimal TOTP generator in 20 lines of Python

Two-Factor Authentication Client for iOS

A One Time Password Authentication package, compatible with Google Authenticator for Laravel

Manage AWS MFA Security Credentials

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

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4). Please use version 5 from scheb/2fa.

Vue+Express Cookbook & CRUD Component (with Vite and Web Components)

Generate 2FA tokens compatible with Google Authenticator

An ASP.NET Core 3.1 IdentityServer4 Identity Bootstrap 4 template with localization

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

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

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

POT is an Erlang library for generating Google Authenticator compatible one time passwords

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

2FA code generator for GNOME

Python implementation of the mobile Blizzard Authenticator (TOTP)

Django-mfa (Multi Factor Authentication) is a simple package to add extra layer of security to your django web application. It gives web app a randomly changing password as an extra protection and supports u2f too

Go package for easy WebAuthn integration

Cross-platform application for configuring any YubiKey over all USB interfaces.

One Time Password (TOTP and HOTP) library for Clojure. TOTP/HOTP is widely used for Two Factor / Multi Factor Authentication.