Cloudflare speeds up and protects millions of websites, APIs, SaaS services, and other properties connected...

GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over t...

Google Analytics lets you measure your advertising ROI as well as track your Flash, video, and social netwo...

Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebas...

Heroku is a cloud application platform – a new way of building and deploying web apps. Heroku lets app deve...

After each Git push, Code Climate analyzes your code for complexity, duplication, and common smells to dete...

Free for open source projects, our CI environment provides multiple runtimes (e.g. Node.js or PHP versions)...

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a mor...

At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but...

Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s S...

Jest provides you with multiple layers on top of Jasmine.

Mocha is a feature-rich JavaScript test framework running on node.js and the browser, making asynchronous t...

Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

Android provides a rich application framework that allows you to build innovative apps and games for mobile...

Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for d...

.NET is a general purpose development platform. With .NET, you can use multiple languages, editors, and lib...

Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technolog...

jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.

Git is a free and open source distributed version control system designed to handle everything from small t...

npm is the command-line interface to the npm ecosystem. It is battle-tested, surprisingly flexible, and use...

Markdown is two things: (1) a plain text formatting syntax; and (2) a software tool, written in Perl, that ...

Express is a minimal and flexible node.js web application framework, providing a robust set of features for...

Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's ...

This project was formerly known as "Jade." Pug is a high performance template engine heavily influenced by ...

JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments...

Android Studio is a new Android development environment based on IntelliJ IDEA. It provides new features an...

Use the full capability of Git and Mercurial in the SourceTree desktop app. Manage all your repositories, h...

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows t...

React Native enables you to build world-class application experiences on native platforms using a consisten...

Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting ...

A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain ...

React Router is a complete routing solution designed specifically for React.js. It painlessly synchronizes ...

It helps you write applications that behave consistently, run in different environments (client, server, an...

Goals for ECMAScript 2015 include providing better support for large applications, library creation, and fo...

React-inspired Swift library for writing UIKit UIs.