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:
- - Auth0 is the most popular Web-based alternative to Kinde.
- - Auth0 is the most popular free alternative to Kinde.
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.
- - FusionAuth is the most popular Windows, Mac, Linux, SaaS & Self-Hosted alternative to Kinde.
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.
- - Logto is the most popular Open Source alternative to Kinde.
Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Network and get started in minutes.
- - Ory is the most popular Android, iPhone & iPad alternative to Kinde.
Amazon Cognito lets you add user sign-up/sign-in and access control to your web and mobile apps quickly and easily. Cognito scales to millions of users, and supports sign-in with social identity providers such as FB, Google, and Amazon, and SAML 2.0.
Userfront makes it easy to add authentication, access control, SSO, and multi-tenancy to any web application.
- - Userfront is the most popular commercial alternative to Kinde.
Clerk is more than a "sign-in box." Integrate complete user management UIs and APIs, purpose-built for React, Next.js, and the Modern Web.
MojoAuth is the safest passwordless authentication solution that enables your users to login seamlessly with an email OTP or magic link or WebAuthn, which in turn provides stronger security to your business.