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

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

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

Levinux

Levinux – A Tiny Version of Linux for Education Levinux (download ~20 MB) is a tiny virtual Linux server that runs from USB or Dropbox with a double-click (no install...

Free Open Source Mac OS X Windows Linux

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

LanceBase

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

Commercial Web

Toontalk

Describes ToonTalk - an animated interactive world inside of which children can build programs and games. ToonTalk is a computer programming system intended to be programmed by children. The "Toon" part stands for cartoon.

Free Open Source Mac OS X Windows Linux Web

UCBLogo

UCBLogo (also known as Berkeley Logo) is a free implementation of the Logo programming language that supports lists, files, I/O, and recursion. It can be used to teach...

Free Mac OS X Windows Linux