What it is
One of the longest-standing identity providers, now part of Okta. It covers social login, its own user database, customisable rules through Actions, MFA and regulatory compliance.
Best for
Projects that need a mature, heavily documented provider.
What the free plan includes
- 25,000 monthly active users
- Unlimited social connections
- Enterprise SSO only on paid plans
- Limited brand customisation
Free plans change often. Confirm the limits on the official page before deciding.