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Clerk vs Keycloak
How the two compare on license, platforms and what the community thinks.
Key differences
- Clerk is freemium; Keycloak is open source.
- Only Clerk is available on Web.
- Only Keycloak is available on Self-hosted.
| Feature | Clerk | Keycloak |
|---|---|---|
| What it is | Drop-in auth for modern apps | Self-hosted identity server |
| License | Freemium | Open source |
| Web | ||
| Windows | ||
| macOS | ||
| Linux | ||
| iOS | ||
| Android | ||
| Self-hosted | ||
| Rating | No reviews yet | No reviews yet |
| Alternatives listed | 3 | 0 |
| Page views | 85 | 88 |
About Clerk
Hosted sign-in, organisations and user management with React components. Fast to ship, billed per MAU.
About Keycloak
Open-source SSO, user federation and admin console. The Auth0 alternative when identity has to live on your servers.