eArea is a really simple web-based WYSIWYG text editor. It works with all popular browsers, including Internet Explorer, Firefox/Mozila/Camino/Netscape, Konqueror/Safari and Opera. It even with OS X Dashboard widgets!
With a short snippet of HTML you can insert eArea onto any webpage and fully customise it for your site. You can even have as many eAreas as you like on a page and customise them all independently. If eArea comes across a browser it doesn't support (like older versions of Opera), it will display an ordinary <textarea> instead, but its appearance will still be as you defined.
eArea has a number of advantages over other similar products. Not least among these is that it is completely free. eArea's genuine advantage, however, is its light-weight and work-with-all flexibility. eArea is a genuinely cross-browser text editor that works with all modern browsers, without exception. It is completely customizable usings every-day CSS and a simple HTML-like mark-up language. All with a bandwidth footprint of just 6 kilobyes!
eArea is licensed under the LGPL, which means that while it is open source, it can be used as part of otherwise proprietary software without affecting the licensing of other parts of the overall software package.