XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
CodeHub - CodeHub is the most complete, unofficial, client for GitHub on the iOS platform.