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

A Material You Two-factor Authentication app

A Kotlin one-time password library to generate "Google Authenticator", "Time-based One-time Password" (TOTP) and "HMAC-based One-time Password" (HOTP) codes based on RFC 4226 and 6238.

Lightweight, thread-safe Java/Kotlin TOTP (time-based one-time passwords) and HOTP generator and validator for multi-factor authentication valid for both prover and verifier based on shared secret

Kotlin Multiplatform implementation of One Time Passwords Manager that compiles to native code on all platforms from single codebase

A kotlin implementation of HOTP (RFC-4226) and TOTP (RFC-6238). Supports validation and generation of 2-factor authentication codes, recovery codes and randomly secure secrets.

2FA Authenticator

Manage one-time passwords securely, offline and without tracking

Simple One Time Password manager for Android

An android app designed to manage multiple authenticators for many platforms.

Generate otp

Kotlin library for generating and verifying TOTP (Time-based One time Password) and HOTP (HMAC-based One Time Password) codes

Authenticator – scans QR codes, generates time-based OTPs using HMAC, auto-refreshes on expiry, supports account deletion, and works fully offline

An OTP implementation written in Kotlin