453 Open source projects that are alternatives of or similar to One Time

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

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

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

Python One-Time Password Library

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

CrOTP - One Time Passwords for Crystal

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

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

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

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

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

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

Time-Based One-Time Password Code Generator

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

A Swift library for generating One Time Passwords (OTP)

A TouchID-aware 2-factor authenticator for macOS

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

Open source two-factor authentication for Android

🔒 AWS multi-factor authentication for the CLI

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

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

Manage AWS MFA Security Credentials

Minimal TOTP generator in 20 lines of Python

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

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

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

Google Authenticator

What do you get when you mix a Raspberry Pi, a MySQL database, an RFID reader, an LCD touchscreen, a relay switch, an electronic door strike and a Twilio SMS account?

Mobile ID Sample Scripts

Create recovery/backup codes for 2FA

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

🔢 better code inputs for react/web

Random tools I've written to make life easier using AWS, namely aws-choose-profile and aws-mfa-login

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

Generates TOTP tokens in the browser

WebAuthn security keys and TOTP multi-factor authentication for Django

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

HOTP and TOTP token generation

MFA for ADFS 2022/2019/2016/2012r2

A cli-based pass-backed TOTP app

 Copy 2FA tokens in a click (macOS)

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

iOS, watchOS, & macOS One-Time Password client

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

U2F multifactor authentication plugin for Shibboleth IdPv3

Straightforward password, passphrase, TOTP, and HOTP user authentication

Two factor authenticator for CLI

Nim fullstack website framework - deploy a website within minutes

Javascript One-Time Password module.

Generate TOTP(Time-based One-time Password) token with CLI.

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

Generating 2FA codes in your terminal

One-Time Password Generator

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

Generate 2FA tokens compatible with Google Authenticator

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