Open source
Logto
Open source identity infrastructure for apps and SaaS.
What it is
An open alternative to the commercial providers, built on OIDC. You can use their cloud or self-host it with Docker, with support for multi-tenancy, roles, webhooks and full interface customisation.
Best for
Anyone who wants the option to move their auth to their own server.
What the free plan includes
- 50,000 monthly active users in the cloud
- Self-hosting with no licence cost
- Enterprise features on higher plans
Free plans change often. Confirm the limits on the official page before deciding.