278 Open source projects that are alternatives of or similar to otp-java

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

CrOTP - One Time Passwords for Crystal

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

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

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

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

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

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

Open source two-factor authentication for Android

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

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

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

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

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

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

A Swift library for generating One Time Passwords (OTP)

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

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

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

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

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

Python One-Time Password Library

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

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

Minimal TOTP generator in 20 lines of Python

A TouchID-aware 2-factor authenticator for macOS

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

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

HOTP and TOTP token generation

iOS, watchOS, & macOS One-Time Password client

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

A cli-based pass-backed TOTP app

Javascript One-Time Password module.

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

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

Time-Based One-Time Password Code Generator

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

A command line HOTP and TOTP client

external OpenID Connect Login to IdentityServer4 with AAD

Generates TOTP tokens in the browser

Nim fullstack website framework - deploy a website within minutes

Cerebro plugin for pass.

Golang two factor authentication library

Python implementation of the mobile Blizzard Authenticator (TOTP)

Communicate with Nitrokey devices in a clean and easy manner

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 ❤️

LibreAuth is a collection of tools for user authentication.

Extracts OTP tokens from rooted Android devices

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

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

TOTP authenticator implement as a wechat mini program

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

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

Authenticator generates 2-Step Verification codes in your browser.

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

Two-factor authenticator via Google Authenticator app.

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!