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

Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immedia...

Trello is a collaboration tool that organizes your projects into boards. In one glance, Trello tells you wh...

Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and re...

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

Jira's secret sauce is the way it simplifies the complexities of software development into manageable units...

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

It hosts documentation, making it fully searchable and easy to find. You can import your docs using any maj...

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

The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, en...

Our mission is to make you a search expert. Push data to our API to make it searchable in real time. Build ...

Sublime Text is available for OS X, Windows and Linux. One license is all you need to use Sublime Text on e...

GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp...

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

With Contentful, you can bring your content anywhere using our APIs, completely customize your content stru...

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

Coveralls works with your CI server and sifts through your coverage data to find issues you didn't even kno...

Public webpages hosted directly from your GitHub repository. Just edit, push, and your changes are live.

Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorit...

Rails is a web-application framework that includes everything needed to create database-backed web applicat...

Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for it...

Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are...

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

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

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

nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoe...

Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects ...

Think of Jekyll as a file-based CMS, without all the complexity. Jekyll takes your content, renders Markdow...

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 ...

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

Bourbon is a library of pure sass mixins that are designed to be simple and easy to use. No configuration r...

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

Out of the box, IntelliJ IDEA provides a comprehensive feature set including tools and integrations with th...

Lua combines simple procedural syntax with powerful data description constructs based on associative arrays...

CodeMirror is a JavaScript component that provides a code editor in the browser. When a mode is available f...

Our patrons rave about our elegant coverage reports, integrated pull request comments, interactive commit g...

With Electron, creating a desktop application for your company or idea is easy. Initially developed for Git...

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

GraphQL is a data query language and runtime designed and used at Facebook to request and deliver data to m...

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

Build and debug modern web and cloud applications. Code is free and available on your favorite platform - L...

Discord is a modern free voice & text chat app for groups of gamers. Our resilient Erlang backend running o...

Gatsby lets you build blazing fast sites with your data, whatever the source. Liberate your sites from lega...

Tailwind is different from frameworks like Bootstrap, Foundation, or Bulma in that it's not a UI kit. It do...