Apps similar to Zalter include Auth0, which has a free version. Other options are Logto, Okta, Hiboo SSO and FusionAuth. In total there are eight Identity Management Tools like Zalter for the web, self-hosting, Mac, Windows and Linux.
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:
United States
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.
United States
Okta's Workforce and Customer Identity Clouds enable secure access, authentication, and automation—putting identity at the heart of business security and growth.
United States
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.
United States
Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.
Israel
The authentication platform that helps you secure your apps with branded login pages and your choice of identity methods.
United States
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.
