279 Open source projects that are alternatives of or similar to Otp.net

CrOTP - One Time Passwords for Crystal

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

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).

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

📱 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

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

A cli-based pass-backed TOTP app

Open source two-factor authentication for Android

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

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

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

A TouchID-aware 2-factor authenticator for macOS

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

Time-Based One-Time Password Code Generator

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

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

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

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

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

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

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

Authenticator generates 2-Step Verification codes in your browser.

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

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

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

iOS, watchOS, & macOS One-Time Password client

Python implementation of the mobile Blizzard Authenticator (TOTP)

Javascript One-Time Password module.

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

Two-factor authenticator via Google Authenticator app.

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

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

One-Time Password Generator

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

Extracts OTP tokens from rooted Android devices

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

Cerebro plugin for pass.

Generating 2FA codes in your terminal

Time-based One-time Password Algorithm By Javascript

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 ❤️

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!

Python One-Time Password Library

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

Create recovery/backup codes for 2FA

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

Mobile ID Sample Scripts

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

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

 Copy 2FA tokens in a click (macOS)

🔢 better code inputs for react/web

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

WebAuthn security keys and TOTP multi-factor authentication for Django

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

HOTP and TOTP token generation

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

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

🔒 AWS multi-factor authentication for the CLI