FCKeditor is an HTML/DHTML editor for ASP, ASP.NET, ColdFusion, PHP, and JavaScript that brings to the Web much of the powerful functionality of known desktop editors like Word. It's very lightweight, and doesn't require any kind of installation on the client computer. License: GNU Lesser General Public License (LGPL) Changes:
As of this version, WebSpellChecker integration is offered, which is a zero-installation solution for spell checking provided by SpellChecker.net. You can now have a wonderful spell checker running out of the box, requiring no server side installations and configurations. Several bugfixes and new features have been added, especially to our table support, including the ability to define header rows and columns to tables.