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

Bitbucket gives teams one place to plan projects, collaborate on code, test and deploy, all with free priva...

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...

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...

Harness the power of Dropbox. Connect to an account, upload, download, search, and more.

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

Azure is an open and flexible cloud platform that enables you to quickly build, deploy and manage applicati...

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...

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

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

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

VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. N...

Bower is a package manager for the web. It offers a generic, unopinionated solution to the problem of front...

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

C# (pronounced "See Sharp") is a simple, modern, object-oriented, and type-safe programming language. C# ha...

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...

Microsoft® SQL Server is a database management and analysis system for e-commerce, line-of-business, and da...

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...

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

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

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 ...

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...

Visual Studio is a suite of component-based software development tools and other technologies for building ...

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

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

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

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

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 is a free, automated, and open certificate authority brought to you by the non-profit Internet Security ...