Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991 and it is currently widly used. Python is dynamically typed and garbage-collected. It supports multiple programming paradigms, including structured (particularly, procedural), object-oriented, and functional programming.
PHP is a general-purpose scripting language especially suited to web development.
Alongside HTML and CSS, JavaScript is one of the core technologies of the World Wide Web. JavaScript enables interactive web pages and is an essential part of web applications.
jQuery doesn't need a presentation anymore. The purpose of jQuery is to make it much easier to use JavaScript on your website. It provides simplier methods to traversal and manipulate the HTML DOM tree, event handling, CSS animation, and Ajax.
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.