117 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

Two-factor authentication for Symfony applications (bunde version ≤ 4)

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

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 (bunde version ≥ 5)

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

An early-stage 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 3.1 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. Sending SMS, making Voice and VOIP calls, TTS calls, and 2FA

🙆🏼 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

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.

MC2FA is a two-factor authentication plugin for Bukkit/Bungee

Shell script implementation of TOTP (RFC 6238) using openssl command line tool

Extract two-factor authentication (2FA, TFA) secret keys from export QR codes of "Google Authenticator" app

2FA authentication plugin for sysPass based on TOTP algorithm (RFC 6238)

One Time Password Generator tool that is meant to be used on CLI.

An implementation of the Duo Security Web SDK in Go/Golang.

A ESP8266 Micropython OTP Generator

HMAC-Based One-Time Password (HOTP) Algorithm

Android OTP Authenticator App for privacyIDEA Authentication Server

A basic Nuxt/SSR application that allows users to login using SMS and phone verification

The Java SDK for interacting with the Yoti Platform

Two-factor authentication for OpenVPN

Free and open source 2fa manager built with Blockstack

A Swift library for generating One Time Passwords (OTP)

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

A ready-to-launch User and Authentication system for those that don't want to build it

iProov iOS SDK