882 Open source projects that are alternatives of or similar to 2FAuth

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

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

CrOTP - One Time Passwords for Crystal

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

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

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

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

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

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

Open source two-factor authentication for Android

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

Time-Based One-Time Password Code Generator

Generating 2FA codes in your terminal

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

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

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

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

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

A TouchID-aware 2-factor authenticator for macOS

Generate 2FA tokens compatible with Google Authenticator

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

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

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

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

Google Authenticator

multiOTP Credential Provider is a V2 Credential Provider for Windows 7/8/8.1/10/2012(R2)/2016 with options like RDP only and UPN name support

HOTP and TOTP token generation

React Native wrapper for Android's SMS User Consent API, ready to use in React Native apps with minimum effort.

iOS, watchOS, & macOS One-Time Password client

Single Sign On server, OAuth2, Openid Connect, multiple factor authentication with, HOTP/TOTP, FIDO2, TLS Certificates, etc. extensible via plugins

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

Javascript One-Time Password module.

HMAC Based One Time Passwords in PHP. RFC4226 and RFC6238 compliant.

Python One-Time Password Library

A cli-based pass-backed TOTP app

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

Highly secure and easy to use OTP client written in C/GTK that supports both TOTP and HOTP

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

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

Minimal TOTP generator in 20 lines of Python

A Swift library for generating One Time Passwords (OTP)

Straightforward password, passphrase, TOTP, and HOTP user authentication

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

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

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

Two factor authentication.

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

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

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

Creates Wireguard configuration for hub and peers with ease

A 'Google Authenticator' like Single Page Application

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

🐴 RusTOTPony — CLI manager of one-time password generators aka Google Authenticator

Authenticator generates 2-Step Verification codes in your browser.

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

Communicate with Nitrokey devices in a clean and easy manner

Cerebro plugin for pass.

Two-factor authentication app with import/export for iOS and macOS. All codes encrypted with AES 256. FaceID & TouchID support included. Written with love in SwiftUI ❤️