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.
TypingDNA Authenticator - 2FA codes in your browser, secured by the way you type
Rapid 2FA - A painless way to add two-factor authentication to your site
PropelAuth - PropelAuth hosts and manages your authentication.
Hydro Mobile App - Free, instant, scalable, blockchain-based 2FA security
Authorizer - Authorizer is an open-source authentication and authorization solution for your applications.