Khan Academy brings millions of students from around the world together to learn all sorts of digital skills, from coding to calculus to computer science theory. This means you can become an expert coder and an expert mathematician in the same place.
Made by the team at Treehouse, Code/Racer is an online racing game that forces you to learn to code quickly to get ahead on the race track. Beyond this racing game, Treehouse boasts more than 650 instructional videos; as you complete courses, earn badges for your accomplishments.
Massachusetts Institute of Technology:
MIT has opened all of its course content to web audiences, so anyone, anywhere can learn from one of the top American research institutions. Think about it: An MIT education without the student loans or cut-throat application? Not too shabby.
Udacity believes today’s higher education system is broken. Education is no longer something that happens once in a lifetime, but rather is a lifelong experience. That’s why it has ported loads of computer science, math and physics courses online.
Mozilla Developer Network:
The Mozilla Developer Network is a resource-rich collection of documents about web development, made for anyone, from expert programmers to students just starting out. MDN is a wiki, meaning anyone can edit its pages with corrections and updates
On The CodePlayer, watch interactive presentations that explain how people built things from scratch. Once you become a coding pro, you can add your own presentations to teach others what you know.
Online education giant Coursera brings courses from dozens of top universities online, and lets anyone take them for free. Coursera classes are now available in five languages, English, Spanish, French, Italian and Chinese, and are taught by professors from 62 universities.
Learn Python the Hard Way:
Learn Python the Hard Way offers free PDFs, though, if you want to take the video version of the course, you’ll need to fork up $29. What does learning the “Hard Way” mean? The number-one rule is that you can’t copy-paste; you must type out each of the lessons in order to teach your hands the language.
HTML5 Rocks is a one-stop guide to learning HTML5, written by tons of contributors who work for Google, Adobe and a bunch of other places. As an HTML5 Rocks student, you’ll learn from slides, presentations and videos.