Git credential helper to put access tokens behind a password when two-factor is enabled on Github

Python-PAM 2-Factor Authentication using Twilio

minimal hotp and totp library for golang

A sample E-Commerce storefront application in Ruby | Two factor authentication using Authy

Secure web Tutoring management system

2-factor authentication for the internet of things

python implementation of 2-step auth: Time-based, One-Time Password Algorithm

Generate TOTP tokens from key.

A Python based SSH 2-Factor-Authentication script using Time-based One-Time-Passwords.

A Go implementation of RFC 4226 HOTP: An HMAC-Based One-Time Password Algorithm and RFC 6238: TOTP: Time-Based One-Time Password Algorithm

Encryption using 2 Factor Authentication through an external drive with Python

Two-factor authenticator(2FA) desktop client on MacOS/Linux/Windows/Darwin

Parses OTP messages for a verification code and service provider.

A generator for counter- and time based authentication codes (RFC-4226/RFC-6238, Google Authenticator).

Kibana nodejs/hapi plugin adds support for LDAP and 2-factor OTP authentication to dashboards.

Allows you to spoof SMS number verification.