Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996