Aptana

Aptana Studio is the industry leading web development environment that combines powerful authoring tools for HTML, CSS, and JavaScript. Aptana RadRails is a complete development environment for building professional applications with rich code completion for Ruby, Rails, JavaScript, CSS, and HTML.

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Spket IDE

Spket IDE is a powerful toolkit for JavaScript and XML developement and also for JavaScript, XUL/XBL and Yahoo Widget development. Provides features like code completion, syntax highlighting and content outline.

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Komodo Edit

Komodo Edit is a free and open source multi language editor to write quality code in an easier way which supports PHP, Python, Ruby, Perl and Tcl, plus JavaScript, CSS, HTML and template languages like RHTML, Template-Toolkit, HTML-Smarty and Django.

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GetFirebug

Firebug is the most powerful web development tool which is used to inspect HTML and modify style and layout in real-time, accurately analyze network usage and performance, use JavaScript debugger for any browser.

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BlackBirdJS

Blackbird is an open source project which offers a simple way to log messages in JavaScript and an attractive console to view and filter them thereby reducing or completely eliminating the usage if alert( ).

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Faux Console

Faux Console is a JavaScript which can be embedded in the document to have a basic debugging console in IE and you can use YUI files or console.log ( ) to log information cross browser.

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JSBin

JS Bin is a web application to help JavaScript and CSS snippets of code to be tested within some context and debug the code collaboratively. Allows you to edit and test JavaScript and HTML.

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JSON Formatter

JSON is a data format that is gaining popularity and is used extensively in many AJAX powered Web 2.0 sites. Many websites that offer API�s will return data in JSON format. Often the JSON provided has whitespace compressed to reduce the size of the data transferred. This site give you a quick and easy way to format the JSON so you can read it.

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Eclipse Marketplace Client

Eclipse Marketplace client (MPC) is a rich client interface for browsing and installing the Eclipse based solutions. MPC provides the tight install integration between the Eclipse workspace and Eclipse Marketplace, plus other third party solution listings.

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Venkman

Venkman is the JavaScript debugger for Mozilla based browsers such as Firefox 3.x, the Netscape 7.x, Seamonkey 1.x and Mozilla Seamonkey 2.x and the debugger is available as add-on package in XPI format.

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JS.Class

JS.Class is a set of toole to make object oriented programs in JavaScript based on Ruby. Also provides a powerful package manager to help load your applications and supports all major web browsers including Rhino, Node.Js and Narhwal.

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