openwebware.com

Finally, a free cross-browser WYSIWYG editor that's packed with every rich-text editing feature you need to make your content management system that much better.

Setting up openWYSIWYG is so easy, you can quickly turn any <textarea> into a powerful WYSIWYG editor with just a few simple lines of code.

Packed with every rich text editing feature you need, openWYSIWYG gives you total control over formatting your text. The ultimate <textarea> replacement for your content management system.