📱 Two-Factor Authentication (2FA) client for Android + Wear OS

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

[Unmaintained] Open source two-factor authentication for Android

**NOT MAINTAINED** Two-factor authentication for Node.js. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator.

Two-factor authentication on the command line

Complete Two-Factor Authentication for Django providing the easiest integration into most Django projects.

Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.

Barebones two-factor authentication with Devise

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

PHP library for Two Factor Authentication (TFA / 2FA)

Filament plugin for customizable profile page, two factor authentication & Sanctum token management.

Two-Factor Authentication Client for iOS

Adds methods to set and authenticate against one time passwords (Two-Factor Authentication). Inspired in AM::SecurePassword

Two-Factor Authentication for WordPress.

Easy two-factor authentication for ssh servers

Two factor authentication for harddisk encryption

A pluggable framework for adding two-factor authentication to Django using one-time passwords.

Two-factor authentication for Symfony applications 🔐

LinOTP - the open source solution for two factor authentication

An easy-to-use two-factor authentication app for iOS

Add OTP support (two factor authentication) to KeePass

A Material You Two-factor Authentication app

multiOTP open source strong two factor authentication PHP library, OATH certified, with TOTP, HOTP, Mobile-OTP, YubiKey, SMS, QRcode provisioning, etc.

Two factor authentication extension for Devise

Simple, easy to use server-side two-factor authentication library for .NET that works with Google Authenticator and Authy.

[ABANDONED] Two-factor authentication for Symfony 2 & 3 applications 🔐. Please use the newer versions from https://github.com/scheb/2fa.

Duo two-factor authentication for Unix systems

.Net library for Two Factor Authentication (TFA / 2FA)

Two-Factor Authentication for all your users out-of-the-box.

Support Two Factor Authentication (2FA) in your application with ease.