TextArea with TinyMCE

It is a platform independent web based Javascript HTML WYSIWYG editor
Customizable through themes and plugins.
International language support (Language packs)
Compatible with: MSIE, Firefox, Mozilla, Netscape, Safari, Opera

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Filling your site with Pivot.

Pivot is an open-source framework for building high-quality.
Written using a combination of Java and XML.
Familar to web developers who have experience building AJAX applications using HTML, CSS, and JavaScript
It provides a much richer set of standard widgets than HTML

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