1254 Open source projects that are alternatives of or similar to Otpauth

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

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

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

CrOTP - One Time Passwords for Crystal

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

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

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

Open source two-factor authentication for Android

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

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

Time-Based One-Time Password Code Generator

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

Google Authenticator

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

HOTP and TOTP token generation

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

iOS, watchOS, & macOS One-Time Password client

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

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

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

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

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

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

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

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

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

Javascript One-Time Password module.

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

A TouchID-aware 2-factor authenticator for macOS

OOTP (Open One-time Password) is a supports multiple programming languages. The generated one-time passwords are fully compliant with HOTP (HMAC-based One-time Password) and TOTP (Time-based One-time Password). 🚀It's easy to use!

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

A 'Google Authenticator' like Single Page Application

TOTP authenticator implement as a wechat mini program

📦 Simple Express.js & Socket.io Boilerplate

Trustworthy, encrypted, command-line TOTP/HOTP authenticator app with import functionality.

Generates TOTP tokens in the browser

LDAP Authenticator for Apache Cassandra

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

Two-factor authenticator via Google Authenticator app.

🔒 Happy Two-Factor Verifying!

Python One-Time Password Library

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

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

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

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

Generating 2FA codes in your terminal

A Swift library for generating One Time Passwords (OTP)

Generate 2FA tokens compatible with Google Authenticator

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

Filter.js: Video and Image Processing and Computer Vision Library in pure JavaScript (Browser and Node.js)

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

Minimal TOTP generator in 20 lines of Python

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

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

Two-Factor Authentication Client for iOS

Regular Expression Analyzer and Composer for Node.js / XPCOM / Browser Javascript, PHP, Python

A command line HOTP and TOTP client