6 tested alternatives to ONE. Each was assigned the same job label from a fixed vocabulary we maintain — not from how the vendor describes itself — and every one is scored on the same objective 7-Frame benchmark. Ordered by score.
Same job does not mean same platform, same country, or same price tier. Check before you switch.
SSO for Your Product — SSO service letting products add a username.md sign-in button via standard OIDC
MonoCloud — MonoCloud is an authentication platform with tiered plans for apps at any scale
WorkOS — WorkOS provides enterprise auth infrastructure including SSO, directory sync, and user management
Okta — Okta provides identity and access management for employees, customers, and AI
Pocket ID — Self-hosted OpenID Connect and OAuth 2.0 provider using passkey-based authentication
Keycloak — Open source identity and access management with single sign-on support