Authentication Software

Auth0 is a program for people to get authentication and authorization services for their own business use.

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.

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Protectimus multi-factor authentication solution is powerful and flexible, and scales to meet the needs of any business

freemium

Authgear offers developers a simple, secure, and scalable User Management Solution for web and mobile apps.

freemium

Add magic link to any website

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

Authelia is an open-source authentication server providing SSO and two-factor for your applications running behind NGINX.

Zero-effort biometric authentication

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.

freemium $1.0 / Monthly (per user)

TOTP Authenticator app makes it easier to setup and manage your 2-factor authentication accounts and tokens. The app allows you to add extra security to your accounts and protects them from hijacking. Available for iOS and Android.

freemium $6.0 / One-off

Email uncompromised

Simple, unobtrusive authentication for Node.js