Codecademy

Codecademy is a free web- and mobile-based platform that teaches employable digital skills to millions of users worldwide.

Codecademy helps millions of learners around the world obtain the skills they need to succeed in today’s digital world -- all in a way that’s fun, free, and accessible anywhere. Codecademy is different from any other learning experience; it’s designed to complement the way people want to learn in the twenty-first century. Through Codecademy's web- and mobile-based platforms, learners discover concepts such as HTML/CSS, Javascript/jQuery, Python, Ruby, PHP, and APIs by actually building things and getting constant feedback from peers. Codecademy is an entirely new, networked approach to learning in which you interact with students across the globe, build amazing projects, and - most importantly - apply your skills to improve your life.