Code Playgrounds useful for developer

Playgrounds or code editors online that provide you instantly ready coding experimenting as soon as page loads. Code playgrounds combine CSS, HTML, JavaScript and (maybe other language) to help you to develop creative and useful web applications. Under list include some code playgrounds I know. Please help me update this.

1. http://codepen.io/

The prize for the best-looking feature-packed playground goes to CodePen.

2. http://jsfiddle.net/
JSFiddle was one of the earliest code playgrounds and a major influence for all which followed.

3. http://jsbin.com/

It concentrates on the basics and handles them exceedingly well. As far as I’m aware, it’s also the only option which offers a JavaScript console.

4. http://cssdeck.com/

it’s a fully-fledged HTML, CSS and JavaScript playground with social and collaboration features.

5. http://dabblet.com/ It looks gorgeous and has one killer feature — browser CSS prefixes are added automatically.

6. http://tinkerbin.com/

Tinkerbin is an alpha release and one of the simpler options here. It may not offer features above and beyond the alternatives but it’s attractive and functional.
7. http://liveweave.com/

Liveweave is slightly unusual in that it places your HTML, CSS and JavaScript into a single file.

8. http://lab.idered.pl/editr/

Host your HTML, CSS, JS demos on your server, use Editr as playground.

9. http://playground.html5rocks.com/

The HTML5 Playground includes a library of code snippets you can explore to see HTML5 in action.

10. http://phrogz.net/JS/d3-playground/#BlankDefault

The D3.js Playground is designed to allow you to play with the D3.js library in an interactive manner.

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