Twizo
Authy
Google Authenticator
Duo Security
privacyIDEA
LoginTC
DIGIPASS
Azure Multi-Factor Authentication
Apache Sentry
Okta Adaptive Multi-Factor Authentication
Duo Security
Ping Identity
Kount
Silverfort.io
Sift
Symantec VIP
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Okta Adaptive Multi-Factor Authentication - Multi-factor authentication is becoming the standard. Secure your apps and VPN with strong MFA for adaptive, risk-based authentication.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
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.
Ping Identity - Ping Identity provides cloud-based, single sign-on and identity management solutions with their SAML SSO.
privacyIDEA - privacyIDEA is an enterprise ready, open-source multi factor authentication system.
