Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
LoginTC - Simply Strong Two-Factor Authentication LoginTC is best in class. Effortless Administration. Intuitive User Experience. Cost-effective solution for all organizations.
inWebo - inWebo is a SaaS provider of Identity Protection & two-factor Authentication built to secure access to VPN, web sites, Mobile and Cloud Apps.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
Myki Authenticator - Login to any account on any device with your fingerprint