SQLZOO

SQLZoo includes tutorials and reference to support people learning SQL. It features: - Interactive access to several SQL engines - Sample databases - Practical exercise - Instant feedback on the success of the student's attempts

Free Web

Waterbear

Visual block syntax for programming languages. Waterbear is a Scratch-like visual programming language for JavaScript.

Free Open Source Web

JavaScript Playground

The JavaScript Playground is a blog centered around short, specific posts aimed to improve a reader's knowledge of JavaScript, either written or provided as a screencast.

Free 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

Enlight - Learn to Code

Enlight is a resource aimed to teach anyone to code through building projects. Main page used to be https://enlight.ml

Free Open Source Web

Programmr

At Programmr you can code, compile & run your programs directly in the browser. Supported platforms include C++, Java, PHP, C#, Flex, J2EE, Objective-C and many...

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

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

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

LanceBase

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

Commercial Web