JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
PHP - A popular general-purpose scripting language that is especially suited to web development
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.