C++

C++ is a general purpose and object-oriented programming language.

Ajax

Ajax is a technique for creating interactive web applications.

C

C is a general purpose programming language that first appeared in 1972.

JavaScript

JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

Bash

Bash is a shell and command language interpreter for the GNU operating system.

Arduino

Arduino is an open source platform for building electronic devices.

Raspberry Pi

The Raspberry Pi is a popular single-board computer.

MySQL

MySQL is an open source relational database management system.

PHP

PHP is a popular general-purpose scripting language that works particularly well for server-side web development.

Linux

Linux is an open source kernel.

Command-line interface

A CLI, or command-line interface, is a console that helps users issue commands to a program.