Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Software AG webMethods - Software AG’s webMethods enables you to quickly integrate systems, partners, data, devices and SaaS applications