Codewars

Achieve code mastery through challenge. Improve your skills by training with others on real code challenges Kata In our dojo, kata are real code challenges...

Free Self-Hosted

Egghead

Bite-size video tutorials for badass web developers Learn the latest frameworks from industry pros .

Freemium Web

Codechef

CodeChef was created by Directi as a way to continuously challenge and engage the developer community. Our goals are to provide a platform for practice, competition and...

Free Web

MindGrader

MindGrader provides high quality testing & certifications for professionals across a wide range of technology related disciplines. Our certifications make a great...

Commercial Web

jQuery Air

http://blog.codeschool.com/post/40771271846/keeping-courses-fresh jQuery Air is a new way to learn jQuery directly in the browser. Learning jQuery for the first time...

Free Web

Geektastic

Unique peer-reviewed code challenges for deep insight into candidate's technical skills and abilities.

Commercial Windows iPhone Chrome OS

SkillStore

SkillStore’s social-learning app helps professionals develop great business skills so their companies can drive great results. SkillStore enables active, experiential...

Free Web

Py

Py teaches you all about programming and development through over 1000+ free, byte-sized lessons in everything from SQL to graphic design. FEATURES - Interactive:...

Freemium Android iPhone Android Tablet iPad

Cocoa Dev Central

Since 2001 Cocoa Dev Central has been one of the most popular sites devoted to Mac OS X programming

Free Web

Atomic Learning

Atomic Learning offers a cost-effective just-in-time professional development, technology integration and support solution that empowers educators to effectively utilize...

Commercial Web

Bloc.io

You'll be building real web applications, learning with other students, and receiving one-on-one attention from the mentors. We'll be pushing you to the very...

Commercial Web

Crunchy

Crunchy is an application that formats and delivers html-written Python tutorials inside a browser window, adding interactive elements and snazzy navigation.

Free Mac OS X Windows Linux

Professor Beekums

Professor Beekums de-mystifies complex software development concepts for everyone.

Free Web

LanceBase

Freelance community social center. Dynamic forum, high-powered discussions, platform ratings, marketplace news, independent workforce chat.

Commercial Web

Workshopr

Workshopr is a practical online education platform aimed at bridging the gap between education and the job market.

Commercial Web

EarSketch

EarSketch is a website to teach coding (Python & JavaScript) to beginners through music composition. It's a free platform that works on all browsers.

Free Web

Thinkster

A better way to learn web development. Learn how real web apps are built, from scratch, using the latest frameworks.

Freemium

TutorialsTeacher

TutorialsTeacher.com is optimized for learning web technologies step by step. Examples might be simplified to improve reading and basic understanding.

Free Web

Hackerearth

a social and community platform for students and developers for solving programming puzzles, sharing notes and practicing concepts with the online editor, live...

Free Web