Whizzywig
Whizzywig replaces a textarea on a form with a WYSIWYG rich text editor. It has a configurable toolbar and generates valid XHTML. Image and link browsers are available. Simple to install and tailor, it is feature rich, and very fast. Just 29k of JavaScript. The Whizzywig toolbar is simple to configure - just list the button you want, in the order you want them. You can even add your own buttons. You can specify your own CSS style sheet so that entries conform to your site's house style. Users can paste in from applications like Microsoft Word and Whizzywig will clean up the HTML. Installation is a snap. Advanced features like table editing and full screen view, often only supported in scripts many times this size, are included without the need for plug-ins. Language variants include Spanish, Russian, French, German, Dutch, Hungarian, Portuguese, Italian. Version 63 support all modern browsers including IE9 and Chrome.