Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Okta - Enterprise-grade identity management for all your apps, users & devices
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
OneLogin - On-demand SSO, directory integration, user provisioning and more