humanID - humanID is a one-click anonymous SSO that provides users with an anonymous identity layer.

Keycloak - Open Source Identity and Access Management for modern Applications and Services.

yiid - yiid - Your Internet Identity - Simplify your community life

DbProtect - Trustwave DbProtect is a highly scalable database security platform that helps organizations secure their relational databases and big data stores, both on premises and in the cloud.

OpenID - OpenID is a safe, faster and easier way to log in to web sites.

Okta - Enterprise-grade identity management for all your apps, users & devices