React

React is an open source JavaScript library used for designing user interfaces.

Front end

Front end is the programming and layout that people see and interact with.

Firefox

Firefox is an open source web browser from Mozilla.

Firebase

Firebase is a mobile app development platform that provides data analysis and database web services for developers.

Database

A database is a structured set of data held in a computer, usually a server.

Data structures

Data structures are a way of organizing and storing data.

CSS

Cascading Style Sheets (CSS) is a language used most often to style and improve upon the appearance of views.

Code review

Ensure your code meets quality standards and ship with confidence.

Code quality

Automate your code review with style, quality, security, and test‑coverage checks when you need them.

Command-line interface

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

Bootstrap

Bootstrap is an HTML, CSS, and JavaScript framework.

Babel

Babel is a compiler for writing next generation JavaScript, today.

Arduino

Arduino is an open source platform for building electronic devices.