Web

GitHub is a development platform inspired by the way you work. From open source to business, you can host and review code, manage projects, and build software alongside 50 million developers.

PHP is a popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

An online code editor, learning environment, and community for front-end web development using HTML, CSS and JavaScript code snippets, projects, and websites

Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.

Tons of articles and examples about web development and design

Convert Hex to RGB/ RGBA

Nifty open-source text editor with great packages for Sass, Less, Javascript. Works on all operating systems.

WordPress is open source software you can use to create a beautiful website, blog, or app.

Drupal is a powerful framework that has inspired a new generation of digital experiences.