BlueGriffon - An HTML editor based on Mozilla rendering engine.
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Adobe Dreamweaver - Adobe Dreamweaver is a proprietary web development tool developed by Adobe Systems.
CoffeeCup HTML Editor - The CoffeeCup Free HTML Editor is a drag-and-drop HTML Editor with built-in FTP uploading.
VisualEditor - VisualEditor gives you the ability to edit without needing to learn wikitext markup, as is required by the default wikitext editor.
Openbexi - OpenBEXI is an open and free source, WYSIWYG editor compatible with Windows, Mac, and Linux with a browser-based interface.