Codecademy
Codecademy is the easiest way to learn how to code. It's interactive, fun, and you can do it with your friends.
Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime.
Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime. Coderbyte is built on improving your ability to work on common logic, mathematical, and algorithmic problems you might one day encounter.
Official Website
Facebook
Twitter
Productivity Developer Tools Education and Reference
programming learn-a-programming-language
Codecademy is the easiest way to learn how to code. It's interactive, fun, and you can do it with your friends.
Freemium Web
Free Code Camp's open source community help you build a job-worthy portfolio of real apps used by real people, while helping nonprofits.
Free Open Source Web
Learn to code (for free) with interactive challenges. Gain XP, unlock achievements and climb the leaderboard. It's the fastest, easiest, most addictive way to learn.
Free Web
Free tutorials and reference manuals with examples for Computer Fundamentals, JSF, C Sharp, Flex, GWT, PL/SQL, Eclipse, JUnit, Pascal, Maven, Scala, Spring, Struts 2, HTML5, ANT, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL...
Free Web
Code School teaches web technologies in the comfort of your browser with video lessons, coding challenges, and screencasts.
Freemium Web
At Devskiller we make testing programmers look like their first day at work. It’s the best way to recruit.
Free Mac OS X Windows Android iPhone Web
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
Free Web
Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
Free Web
Duel with friends and foes in head-to-head programming battles!.
Free Personal Web