Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
nginx - A high performance free open source web server powering busiest sites on the Internet.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Google Cloud Load Balancing - Google Cloud Load Balancer enables users to scale their applications on Google Compute Engine.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
AWS Elastic Load Balancing - Amazon ELB automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.