Google Drive - Access and sync your files anywhere
Okta - Enterprise-grade identity management for all your apps, users & devices
Dropbox - Online Sync and File Sharing
OneLogin - On-demand SSO, directory integration, user provisioning and more
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.