Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996