JUnit - JUnit is a simple framework to write repeatable tests.
MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).
RSpec - RSpec is a testing tool for the Ruby programming language born under the banner of Behavior-Driven Development featuring a rich command line program, textual descriptions of examples, and more.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Testcontainers - Testcontainers is a modern Java library that comes with the exclusive support of Junit tests.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies