Description: Authy is a two-factor authentication app that provides an extra layer of security when logging into accounts. It works by generating timed one-time passcodes on your mobile device to verify your identity.
Type: software
Description: GetOTP is a free and open source two-factor authentication app for Android, iOS, Windows Phone, Blackberry, and Linux. It can generate time-based one-time passwords compatible with Google Authenticator and similar apps. It's lightweight, easy to use, and doesn't require an account.
Type: software
Pricing: Open Source