290 Open source projects that are alternatives of or similar to crotp

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

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

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

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

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

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

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

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.

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

🔑 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.

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

Open source two-factor authentication for Android

Python One-Time Password Library

[OUTDATED] Two-factor authentication for Symfony applications 🔐 (bunde version ≤ 4).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

A cli-based pass-backed TOTP app

Minimal TOTP generator in 20 lines of Python

Javascript One-Time Password module.

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

HOTP and TOTP token generation

A Swift library for generating One Time Passwords (OTP)

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

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

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

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

A TouchID-aware 2-factor authenticator for macOS

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.

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

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

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

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

iOS, watchOS, & macOS One-Time Password client

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

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

Time-Based One-Time Password Code Generator

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

 Copy 2FA tokens in a click (macOS)

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

Two-factor authenticator via Google Authenticator app.

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

A command line HOTP and TOTP client

external OpenID Connect Login to IdentityServer4 with AAD

Nim fullstack website framework - deploy a website within minutes

Generates TOTP tokens in the browser

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

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

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

Python implementation of the mobile Blizzard Authenticator (TOTP)

Golang two factor authentication library

Authenticator generates 2-Step Verification codes in your browser.

Extracts OTP tokens from rooted Android devices

Cerebro plugin for pass.

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!

🐴 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.

🔢 better code inputs for react/web

WebAuthn security keys and TOTP multi-factor authentication for Django