MAMP

A tool for web deployment that lets you install Apache, PHP and MySQL directly onto your Mac on a local server

Add a whole host of math functions to your programs with one of the most popular Python libraries

A text editor for Macs designed with HTML, JavaScript, and CSS files in mind

Turn your desktop computer into a larger mobile machine with this unique Android emulator

Helps to automate the coding process for Java programming, neat overall utility program

A free Mac application for editing code with plenty of documentation to assist you

This internal development environment is open source, free to use, and supports a few different languages