Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
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.
Myki Authenticator - Login to any account on any device with your fingerprint
Rublon - Rublon enables your workforce to securely access your organization's networks, servers and applications via easy-to-use multi-factor authentication. Protect cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
YubiKey - The YubiKey is a one-time password device for secure login with two-factor authentication