OneLogin - On-demand SSO, directory integration, user provisioning and more
Spring Security - The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...
TeamPassword - TeamPassword helps you manage and share access to the apps, services, and tools your team needs to keep projects moving.
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Teramind - Teramind provides a user-centric security approach for monitoring.
JSON Web Token - JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.