FCKeditor - The text editor for Internet (http://www.fckeditor.net)

This HTML text editor brings to the web much of the power of desktop editors like MS Word. It's lightweight and doesn't require any kind of installation on the client computer.
FCKeditor - Demo
http://www.fckeditor.net/images/demo_screenshot.gif (http://www.fckeditor.net/demo)

贊助商連結

這個是網路程式開發者才會用到這個咚咚
php 程式很常見整合此 WYSIWYG 網頁編輯器