Local by Flywheel - Provides a simple, local development environment with a friendly GUI.
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
WordPress Portable - With WordPress Portable you can experience the most popular blogging platform right out of the box. Just download, extract and run it!
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
InstantWP - InstantWP is a complete standalone, portable WordPress development environment.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996