GitHub Visualizer - Enter user/repo and see the project visually
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).
CodeFlower - CodeFlower visualizes source code repositories using an interactive tree.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
SyntaxDB - Easily look up programming syntax for multiple languages
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996