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

[Unmaintained] Open source two-factor authentication for Android

A custom view to enter otp of different sizes used usually in cases of authentication.

Authorizer is a Password Manager for Android. It emulates an HID keyboard over USB and enters your credentials on your target device. Additionally it supports OTP 🔑📴

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

Keycloak Authentication Provider implementation to get a 2nd-factor authentication with a OTP/code/token send via SMS (through AWS SNS). Demo purposes only!

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

A customised EditText view serving the purpose of taking numeric One Time Password from a user. With stunning animation, and high customizability.

Spring Boot OTP technique.

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

TOTP and HOTP Token for Andriod Devices

OneTrickPony is a modern Java library that implements support for One-Time Passwords. Built-In support is provided for the HOTP (RFC 4226) and TOTP (RFC 6238) algorithms.

Passwordless authentication server, supports OTP, WebAuthn and TOTP

HOTP/TOTP one time passwords on java phones (J2ME)

Generate OTP tokens for Samsung Service Mode to activate hidden debug/dumping features. (*#9900#)

OTP View

🔒 OTP (One Time Password) utility in Java

OTP hacking android app

Android Library To Auto Detect OTP Without Sms Permissions

small GPL3+ Android app that allows you to log in to some Duo-protected services with a standard OTP app