Authenticator TOTP (Delphi, FMX)

Lightweight, fast, and secure TOTP (2FA) authentication library for PHP — battle tested, dependency free, and ready for enterprise integration.

C++11 HMAC (SHA1/SHA256/SHA512) library with PBKDF2/HKDF, HOTP/TOTP + stateless time tokens, Base32/64/36, zeroizing secure_buffer, CMake package and MQL5 support.

An opensource TOTP app (like Authy, Google Authenticator, etc) created with Tauri (rust + typescript)

Manage a TOTP database by CLI

A Totp Client

A production-ready authentication template built with Spring Boot

A Flutter package to generate and verify TOTP codes with QR setup widget. Works on all platforms.

Generates TOTP tokens in the browser

a UWP Platform OTP Authenticator

A simple 2-factor authentication manager in OTP (ONE TIME PASSWORD).

Terminal TOTP Manager is a command-line tool for managing TOTPs

Debugging tool for time-based one-time password (TOTP).

High-performance and secure TOTP generator and validator in Go, supporting multiple hashing algorithms: SHA1, SHA256, SHA512, and BLAKE2.

A TOTP Authenticator app made in .NET Framework 4.5

Terminal integrated TOTP authentication tool

This project demonstrates a simple Time-based One-Time Password (TOTP) authentication flow using Go, Gin, and QR code generation.

Command Line application for managing your totp tokans, written in Bash script

Operation system for boards. The Operating System allows you to use the board as a security key.

Light-weight Do-It-Yourself Two-Factor Authenticator (2FA, from spreadsheet), Password-Manager (PWM), etc, recipes for terminal-based workflows