Top 34 hotp open source projects

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

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

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

LibreAuth is a collection of tools for user authentication.

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

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

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

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

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

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

A Swift library for generating One Time Passwords (OTP)

Javascript One-Time Password module.

A command line HOTP and TOTP client

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

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

Minimal TOTP generator in 20 lines of Python

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

Open source two-factor authentication for Android

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

Python One-Time Password Library

iOS, watchOS, & macOS One-Time Password client

Straightforward password, passphrase, TOTP, and HOTP user authentication

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

HOTP and TOTP token generation

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

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

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

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

CrOTP - One Time Passwords for Crystal

Communicate with Nitrokey devices in a clean and easy manner