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

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

Stripe makes it easy for developers to accept credit cards on the web.

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

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

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

Shopify powers tens of thousands of online retailers including General Electric, Amnesty International, Cro...

Gekko is a an online financial administration tool for freelancers, small studios and startups.

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.

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...

PostgreSQL is an advanced object-relational database management system that supports an extended subset of...

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

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

The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a ...

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...

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

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...

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

A library of 915 free licensed fonts, an interactive web directory for browsing the library, and APIs for c...

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

You can get vector icons and social logos on your website with it. It is a font that's made up of symbols, ...

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

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

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