JS/HTML UI widget for entering OTP tokens of varying length (e.g. TOTP, SMS), auto-progression, fires custom event etc. Plain javascript.

Two factor authentication desktop client (JavaFX-based)

An OTP Manager Like PassMenu But For TOTP codes.

hash and encryption library to manage configuration complexity

Time based OTP (TOTP) generation for 2-factor authentication like Google Authenticator without backend

Alternative security options

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

Cross-platform desktop application for generating TOTP codes

Implementation of HOTP and TOTP as per the RFC RFC4226 and RFC6238 respectively

A browser based TOTP client.

Web-App to share TOTP with a group of people.

🔑 Command-line tool for managing Time-based One-Time Passwords (TOTPs).

Java implementation of TOTP

Command line Google Authenticator alternative. Or, Command line Script for managing 2FAs.

A time-base one time password generator for Mac (TOTP)

Python script to dump 2fa pin from Android FreeOTPPlus (FreeOTP+) export file freeotp-backup.json

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

web service and api with free phone numbers from various providers in one place

jCat One Time Password Manager

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