WYSIWYG editor

Zapatec Editor
The Zapatec AJAX Editor widget provides an in-line editor for your web ...
ggEdit
...
STEditor
...
WYMeditor
...
Markup Editor
markItUp! is a JavaScript plugin built on the jQuery library...
WYSIWYG HTML Editor
fast loading, light weight and easy to use html markup editor ...
HotEditor
HotEditor Version is a browser-based rich text editor...
Free Rich Text Editor
...
SPAW Editor
...
openWYSIWYG
free cross-browser WYSIWYG editor...