X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
Rapid 2FA - A painless way to add two-factor authentication to your site
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Hydro Mobile App - Free, instant, scalable, blockchain-based 2FA security
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.