Okta - Enterprise-grade identity management for all your apps, users & devices
Rippling - One directory for employee information across IT, HR, legal, finance and facilities.
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
OneLogin - On-demand SSO, directory integration, user provisioning and more
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.