🍱 Collection of carefully crafted TypeScript standalone libraries. Minimal, unbloated, convenient.

A cross-platform, memory-safe, and easy-to-use 2FA and credentials manager for PC.

TUI Менеджер TOTP ключей (2FA Manager). Сохраняй, управляй, копируй TOTP.

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

A serverless progressive web application that generates TOTP and HOTP codes, enabling robust two-factor authentication (2FA) directly within your browser. Powered by Nuxt 4, NuxtHub, NuxtUI 3, Cloudflare Pages, D1 Database, and Drizzle ORM.

2FA Authenticator app that works on mobile, web, desktop, watches and CLI!

Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP manager.

Nextcloud app that allows you to manage your OTP (TOTP/HOTP) codes easily

Nextcloud app that allows you to manage your OTP (TOTP/HOTP) codes easily

A One-Time Password library for Node.js, Deno and Bun. Ideal for use in 2FA / MFA systems, with support for popular authentication apps including Google Authenticator.

HOTP and TOTP algorithms in Erlang.

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.

trivial implementation of TOTP in javascript using the browser's crypto API

A pure JavaScript Web Page to retrieve real-time OTP through a web page and generate/scan QR codes.

This is an online tool to generate TOTP codes like an app such as Google Authenticator would do.

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

emacs-TOTP implements Time-based One-time Passwords (TOTP) like specified in RFC 6238)

Online One Time Password (HOTP/TOTP) generator.

Turn your raspberri Pi Pico into a time-based 2fa authenticator! Why, I hear you ask? Well why not?

Generate TOTP with Cloudflare Worker.

A homebrew application implementing Time-Based One-Time Password (TOTP) on the PlayStation Portable

A native, secure, and modern Two-Factor Authentication (2FA) app for macOS built with SwiftUI. Features TOTP code generation, menu bar quick access with smart website detection, auto-fill 2FA codes, QR code scanning, Google Authenticator migration support, and secure Keychain storage. Works completely offline with no cloud sync.

Similar to the Google authenticator just written in Python to automate annoying two factor authentication.

Go (golang) library for TOTP authentication with ECDH support.

🚔 Self-hosted passwordless authentication server in Rust offering magic links, WebAuthn, and TOTP fallback with JWT-based session management and revocable refresh tokens. Includes reliable email queueing, SQLite persistence, and containerized deployment via Docker for internal tools without relying on third-party identity providers.

Generate TOTP secrets and codes to use while making and testing software secured by TOTP MFA/2FA.

Open-source TOTP (Time-based One Time Password) Viewer.

:1234: Yet another minimal TOTP generator in 5 lines of Bash

A TOTP code generator for the CLI that securely stores secrets in the keychain

Go library for one-time passwords, supports HOPT and TOPT (Google Authenticator compatible)