132 Open source projects that are alternatives of or similar to Twofactor

Generates TOTP tokens in the browser

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

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

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

Open source two-factor authentication for Android

One-step (secure) configuration for Traefik edge router.

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

A TouchID-aware 2-factor authenticator for macOS

One Time Password (HOTP/TOTP) library for Node.js, Deno and browsers.

CrOTP - One Time Passwords for Crystal

Time-Based One-Time Password Code Generator

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

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

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

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

A small and easy-to-use one-time password generator library for Java according to RFC 4226 (HOTP) and RFC 6238 (TOTP).

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

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

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

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password manager. Works with Google Authenticator for Two-Factor Authentication.

Two-factor authenticator via Google Authenticator app.

🔐 A PHP library for generating one time passwords according to RFC 4226 (HOTP) and the RFC 6238 (TOTP)

Vonage REST API client for PHP. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

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

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

Nim fullstack website framework - deploy a website within minutes

Extracts OTP tokens from rooted Android devices

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

Take security by obscurity to the next level (this is a bad idea, don't really use this please)

A Swift library for generating One Time Passwords (OTP)

Two-factor authentication for Symfony applications 🔐 (bunde version ≥ 5)

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

Minimal TOTP generator in 20 lines of Python

Two-Factor Authentication Client for iOS

A simple PHP WebAuthn (FIDO2) server library

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

Manage AWS MFA Security Credentials

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

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

A Security Framework for Python applications featuring Authorization (rbac permissions and roles), Authentication (2fa totp), Session Management and an extensive Audit Trail

✅ .NET crypto done right. Professionally audited.

⭐️ Antares Project Application Skeleton. This is the very first place you should start. It allows you to create a brand new awesome project in easy few steps.

The missing reverse proxy for ssh scp

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

Zero Trust Service Access

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

Vonage Server SDK for Java. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Yubico Authenticator for Desktop (Windows, macOS and Linux)

Nexmo REST API client for .NET, ASP.NET, ASP.NET MVC written in C#. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Generate 2FA tokens compatible with Google Authenticator

The best React Native example for phone verification (an alternative to Twitter Digits).

A cli-based pass-backed TOTP app

Tray TOTP Plugin for KeePass2.

Vonage API client for Node.js. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Javascript One-Time Password module.

WebAuthn ruby server library ― Make your Ruby/Rails web server become a conformant WebAuthn Relying Party

Vonage Server SDK for Python. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

external OpenID Connect Login to IdentityServer4 with AAD