Empezado por Página Web de Aptana

The Web IDE

Aptana is a robust, JavaScript-focused IDE for building dynamic web applications. Highlights include the following features:

* Code Assist on JavaScript, HTML, and CSS languages, including your own JavaScript functions
* Outliner that gives a snapshot view of your JavaScript, HTML, and CSS code structure
* Error and warning notification for your code
* Support for Aptana UI customization and extensions
* Cross-platform support
* Free and open source. (Source available soon)