764 Open source projects that are alternatives of or similar to Otplib

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

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

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

Time-Based One-Time Password Code Generator

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

CrOTP - One Time Passwords for Crystal

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

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

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

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

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

Two-Factor Authentication Client for iOS

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

Authenticator generates 2-Step Verification codes in your browser.

Google Authenticator

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

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

A TouchID-aware 2-factor authenticator for macOS

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

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

Generating 2FA codes in your terminal

Open source two-factor authentication for Android

Generate 2FA tokens compatible with Google Authenticator

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

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

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

A cli-based pass-backed TOTP app

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.

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

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

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 ❤️

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

🌲 LDAP Proxy to intercept LDAP binds and authenticate against privacyIDEA

A One Time Password Authentication package, compatible with Google Authenticator for Laravel

Cerebro plugin for pass.

2FA authentication plugin for sysPass based on TOTP algorithm (RFC 6238)

Create recovery/backup codes for 2FA

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

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

A 'Google Authenticator' like Single Page Application

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

TOTP authenticator implement as a wechat mini program

Manage AWS MFA Security Credentials

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

HOTP and TOTP token generation

Straightforward password, passphrase, TOTP, and HOTP user authentication

iOS, watchOS, & macOS One-Time Password client

🔒 AWS multi-factor authentication for the CLI

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

A free and open-source offline authenticator app for Wear OS.

Two factor authenticator for CLI

🔒 Happy Two-Factor Verifying!

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

One-Time Password Generator

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

Minimal TOTP generator in 20 lines of Python