Infinity ID is an open-source, self-hostable identity provider written in Rust. It implements standard authentication protocols so teams that prefer to own their identity infrastructure have a self-hosted option.
Okta is a widely-adopted commercial identity platform providing workforce and customer identity, single sign-on, MFA and lifecycle management as a managed service.
Okta is a mature enterprise identity platform with SSO across thousands of app integrations, advanced MFA options and lifecycle management. Infinity ID is a newer, focused, self-hosted alternative — evaluate both against your compliance, integration and support requirements.