otp-generator

Standalone server for user address and OTP verification flows with pluggable providers (e-mail, SMS, bank penny drops etc.)

Authy/Google Authenticator like TOTP CLI tool written in Go.

Generate OTP with expiry for PHP without using Database

This package provides convenient methods for sending and validating OTP notifications to users for authentication.

Generate, send, verify, and manage one-time passwords for Laravel

Telegram Mini App that allows you to generate one-time passwords inside Telegram

Spring Boot OTP technique.

database less OTP verification using cryptography 🔐

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

A self-hosting app to share secrets only one-time.

Authenticator for Windows - UWP store app

Browser based 2FA token generator alternative to Google Authenticator.

Passwordless authentication server, supports OTP, WebAuthn and TOTP

Software emulation of Yubikey hardware tokens in HOTP mode

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

User Friendly Tool can help to be anonymous in the internet, the tool provide more than 160 numbers to use OTP codes for temporary accounts

An open source OTP (TOTP/HOTP) authentication code manager and provider for Mac/iOS

A tiny command line utility to generate OTP tokens

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