155 Open Source 2fa Software Projects

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

The Single Sign-On Multi-Factor portal for web apps

This version won't be maintained!

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

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

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

Authenticator generates 2-Step Verification codes in your browser.

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

Two-Factor Authentication Client for iOS

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

Minimal TOTP generator in 20 lines of Python

Manage AWS MFA Security Credentials

[OUTDATED] Two-factor authentication for Symfony 2 & 3 applications 🔐. Please prefer the new version from https://github.com/scheb/2fa.

VueJS + NodeJS Evergreen Cookbook

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

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.

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

2FA code generator for GNOME

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

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

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

Nim fullstack website framework - deploy a website within minutes

django-trench provides a set of REST API endpoints to supplement django-rest-framework with multi-factor authentication (MFA, 2FA). It supports both standard built-in authentication methods, as well as JWT (JSON Web Token).

A tool that serves as a Proof of Concept for the research I presented at DEF CON 26, "Compromising online accounts by cracking voicemail systems"

A tiny Elixir library for time-based one time passwords (TOTP)

UNOFFICAL A Firefox authenticator that can autofill TOTP codes with Firefox Android support

Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication.

A Sponge minecraft server plugin for second factor authentication

A simple PHP WebAuthn (FIDO2) server library

Two-factor authentication for Django Allauth

A TouchID-aware 2-factor authenticator for macOS

🔑 Second factor provider using an external messaging gateway (SMS, Telegram, Signal)

A cli-based pass-backed TOTP app

A linux utility for generating 2FA codes for Steam and managing Steam trade confirmations.

Two-factor authentication for Symfony applications 🔐

external OpenID Connect Login to IdentityServer4 with AAD

Tutorial to create full disk encryption with YubiKey, encrypted boot partition and secure boot with UEFI

C++ library for working with VK.com API, authorization through VK app secret key, using VK functions. 2FA, Captcha passing.

Create recovery/backup codes for 2FA

A stylish PHP application framework crafted using Slim, Twig, Eloquent and Sentinel designed to get you from clone to production in a matter of minutes.

2 Factor Authentication for Wagtail

Gortas is an API based authentication service, allows adding authentication to your site or service with minimum efforts.

CrOTP - One Time Passwords for Crystal

Apache two-factor (2FA) authentication with Google Authenticator based on Time-based One-Time Password (TOTP) or HMAC-based one-time password (HOTP) Algorithms.

Two factor authenticator for CLI

👤 Identity and Access Management Knowledge for Cloud Platforms

Straightforward password, passphrase, TOTP, and HOTP user authentication

2FA Notifier is a web extension that notifies users whether or not the sites they visit support two factor authentication (2FA).

A master checklist for securing your online life.

:lock: AWS multi-factor authentication for the CLI

🔑 Laravel Authentication package with built-in two-factor (Authy) and social authentication (Socialite).

Two factor authentication.

A java library for implementing Time-based One Time Passwords for Multi-Factor Authentication.

Google Authenticator compatible 2-Factor Auth in Java

iMessage 2FA Workflow for Alfred

Ransombile is a tool that can be used in different scenarios to compromise someone’s digital life when having physical access to a locked mobile device

U2F multifactor authentication plugin for Shibboleth IdPv3

Server-side handling of U2F registration and authentication for PHP

A lightweight library to help Go users everywhere integrate with the Vonage APIs. Issues and PRs all really welcome!!

:key: Helper class to verify one's identity via personal channels(SMS, Phone, E-Mail and more!)

2 Factor Authentication (2FA) library

ASP.NET Core 5 Identity with FIDO2 WebAuthn MFA, passwordless

WebAuthn Relying Party server library for PHP

Time-based One-time Password Algorithm By Javascript

Two Factor Authentication Crystal code implementing the Time-based One-time Password Algorithm

Nexmo Verify SDK for iOS

Laravel Unifonic - A library to integrate with Unifonic API to send SMS.

🙆🏼 Customizable, masked input that can be used for all sorts of codes.

The Node SDK for interacting with the Yoti Platform

⬢ Improved authentication system with 2-step verification for Kirby CMS.

Lock user screen every time the flash drive is unplugged. Creating a two-step authentication on the machine

One Time Password for 2-Factor-Authentication implemented in Rust

A portable .Net class library for creating onetime passwords (based on rfc4226 - https://tools.ietf.org/html/rfc4226 and rfc6238 - https://tools.ietf.org/html/rfc6238)

A Go library for using ApproveAPI

2-Faktor-Authentifizierung mittels one-time-password (OTP)

Authentication microservice. The integration only requires redirects and JWT tokens

Simply insert your Yubikey and connect automatically to your TOTP-2FA-VPN.

Linux command-line client to manage a UCSF VPN connection

Google2FA Starter App

Mobile ID Sample Scripts

The TeleSign C# SDK lets you easily integrate with our REST API.

ASP.NET Core Back-Channel Logout for Hybrid Clients, Redis, Key Vault, Azure

Add 2-factor authentication to your WordPress blog site.

The PHP SDK for interacting with the Yoti Platform

 Copy 2FA tokens in a click (macOS)

Brook.Totp 双因素认证

2FA Implementation with Authy and Ruby on Rails

Cerebro plugin for pass.

Generating 2FA codes in your terminal

Credential Provider to enchance the Windows login with a second factor

A highly configurable yet simple to use TOTP based two-factor authentication processing module for SimpleSAMLphp.

Two factor (TOTP) support for TYPO3 CMS moved to Gitlab:

Second authentication for bukkit minecraft servers.