KeycloakManage user sign-in, single sign-on and application access from your own server.
100% free open-source (Apache-2.0). Unlimited monthly active users (MAUs).
Developer tools
SuperTokens
Free softwareOpen sourceBrowser
Add account sign-in and session management to your application.
What you can use it for
Add account sign-in and session management to your application.
- Modular architecture: choose passwordless, social login, session management, or MFA.
- Pre-built drop-in React/Angular/Vue frontend SDKs with beautiful responsive login UI.
- Robust rotating refresh tokens mitigating CSRF and token theft.
Workflow coverage and comparison notes
Implement modern developer authentication, social SSO, passwordless logins and session control with self-hosted SuperTokens instead of Kinde cloud auth tiers.
Before you switch
Advanced enterprise features (multi-tenant dashboard and automated SCIM provisioning) require paid enterprise license.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.
More for the same workflow
See alternatives →Keycloak
AuthentikManage application sign-in and single sign-on through your own identity provider.
100% free open-source (GPLv3). Unlimited users, applications, and directories.