You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:



Zalter is described as 'Onboard, authenticate, and engage your users with Zalter’s APIs. Improve security and user experience with flexible, passwordless authentication solutions' and is an app in the security & privacy category. There are eight alternatives to Zalter for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best Zalter alternative is Auth0, which is free. Other great apps like Zalter are Okta, Logto, Hiboo SSO and FusionAuth.
You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:



Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.



Logto helps you build the sign-in, auth, and user identity within minutes. We provide an OIDC-based identity service and the end-user experience with username, phone number, email, and social sign-in, for web and native apps.




FusionAuth is an auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.




Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.




The authentication platform that helps you secure your apps with branded login pages and your choice of identity methods.

idaas.nl provides an advanced identity platform fully configurable using the web interface or via APIs. It provides capabilities related to user registration, authentication and delegated authorization.


