Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
DIGIPASS - DIGIPASS offers two-factor authentication solutions for mobile applications.
Firebase Authentication - Application and Data, Application Utilities, and User Management and Authentication
LoginTC - Simply Strong Two-Factor Authentication LoginTC is best in class. Effortless Administration. Intuitive User Experience. Cost-effective solution for all organizations.
OmniAuth - OmniAuth is a flexible authentication system utilizing Rack middleware.
inWebo - inWebo is a SaaS provider of Identity Protection & two-factor Authentication built to secure access to VPN, web sites, Mobile and Cloud Apps.