Keycloak vs. GoPasswordless
Keycloak
www.keycloak.org/Keycloak is an open source identity and access management solution. It supports Keycloak single-sign-on and OpenID Connect or SAML 2.0 Identity Providers (Google, Facebook, GitHub etc).
GoPasswordless
gopasswordless.devGoPasswordless is an authentication service and SDK that focuses on enabling passwordless authentication flows in web apps.