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...

Mailgun is a set of powerful APIs that allow you to send, receive, track and store email effortlessly.

MailChimp helps you design email newsletters, share them on social networks, integrate with services you al...

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

Zendesk provides an integrated on-demand helpdesk - customer support portal solution based on the latest We...

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

Keep photos, stories, designs, drawings, recordings, videos, and more. Your first 15 GB of storage are free...

Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and op...

PayPal is an online payments and money transfer service that allows you to send money via email, phone, tex...

An integrated suite of secure, cloud-native collaboration and productivity apps. It includes Gmail, Docs, D...

The core software is built by hundreds of community volunteers, and when you’re ready for more there are th...

We take the complexities out of cloud hosting by offering blazing fast, on-demand SSD cloud servers, straig...

Skype’s text, voice and video make it simple to share experiences with the people that matter to you, where...

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

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

Notepad++ is a free (as in "free speech" and also as in "free beer") source code editor and Notepad replace...

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...

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

Free and open source, Ionic offers a library of mobile and desktop-optimized HTML, CSS and JS components fo...

Gradle is a build tool with a focus on build automation and support for multi-language development. If you ...

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

It is a web application framework with expressive, elegant syntax. It attempts to take the pain out of deve...

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

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.

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...

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

Whether you're building highly interactive web applications or you just need to add a date picker to a form...

The MySQL software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Langu...

MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema....

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and mess...

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...

SQLite is an embedded SQL database engine. Unlike most other SQL databases, SQLite does not have a separate...

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 ...

It enables real-time bidirectional event-based communication. It works on every platform, browser or device...

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 ...

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

It is the only complete API development environment, used by nearly five million developers and more than 1...

The Xcode IDE is at the center of the Apple development experience. Tightly integrated with the Cocoa and C...

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is...

TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript ...

Create rich applications and stunning visualisations of your data, leveraging the comprehensiveness, accura...

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

Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and ru...

Tag Manager gives you the ability to add and update your own tags for conversion tracking, site analytics, ...

HTML5 is a core technology markup language of the Internet used for structuring and presenting content for ...

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 ...

The CentOS Project is a community-driven free software effort focused on delivering a robust open source ec...

It is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secu...

WooCommerce is the most popular WordPress eCommerce plugin. And it's available for free. Packed full of fea...

An easy to use email app that saves you time and keeps your messages safe. Get your messages instantly via ...

Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of wh...

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

It is a library for building interactive web interfaces. It provides data-reactive components with a simple...

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...

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

It helps you build what's next with secure infrastructure, developer tools, APIs, data analytics and machin...

It is a program run by Google through which website publishers in the Google Network of content sites serve...

Yarn caches every package it downloads so it never needs to again. It also parallelizes operations to maxim...

CSS3 is the latest evolution of the Cascading Style Sheets language and aims at extending CSS2.1. It brings...

Flutter is a mobile app SDK to help developers and designers build modern mobile apps for iOS and Android.

It is a bunch of cool, fun, and cross-browser animations for you to use in your projects. Great for emphasi...