500 Open source projects that are alternatives of or similar to totp

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

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

A TouchID-aware 2-factor authenticator for macOS

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

🔑 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.

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

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

external OpenID Connect Login to IdentityServer4 with AAD

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

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

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

Google Authenticator

Python implementation of the mobile Blizzard Authenticator (TOTP)

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

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

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

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

Generate 2FA tokens compatible with Google Authenticator

Generating 2FA codes in your terminal

CrOTP - One Time Passwords for Crystal

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

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

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

Two-Factor Authentication Client for iOS

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

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

Python One-Time Password Library

Open source two-factor authentication for Android

A cli-based pass-backed TOTP app

Two-factor authenticator via Google Authenticator app.

Minimal TOTP generator in 20 lines of Python

A Swift library for generating One Time Passwords (OTP)

A cross-platform 2FA TOTP app with a beautiful UI, written in Flutter.

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

Nim fullstack website framework - deploy a website within minutes

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 ❤️

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

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

Generates TOTP tokens in the browser

Golang two factor authentication library

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!

🌲 LDAP Proxy to intercept LDAP binds and authenticate against privacyIDEA

Time-based One-time Password Algorithm By Javascript

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

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

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

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

Two factor authentication.

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

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

Your easy 2FA companion that keep the secrets secret.

🔒 Happy Two-Factor Verifying!

Golang + Beego 编写 提供开发/运维常用操作的HTTP API接口: 手机归属地查询、IP地址查询、工作日节假日判断、微信报警、钉钉报警、2步验证、密码存储、发送邮件、生成随机密码等功能

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

 Copy 2FA tokens in a click (macOS)

LibreAuth is a collection of tools for user authentication.

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