Fusion Essentials is a free web site design software that offers many core features found in Fusion 10.  Here are some key features of "NetObjects Fusion Essentials" :

• Drag and drop design   • e-commerce tool • Place text and images anywhere on the page   • Custom shape tools • Site Management Tools   • Rollover images • Manage all assets of your site in one view   • Scrolling Ticker Tape component • Upload your site with built-in FTP   • Time-based Rotating Pictures • Navigation Menus   • Insert custom HTML and scripts • Form builder   • Easily add Flash, Quicktime and more • Photo Gallery

Many free web  design  software  are available  from  open  source.

I  have  studied some of them listed below.

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Nvu  (pronounced as  N-view) : a free, open source software program that allows you to build websites and web pages using a simple WYSIWYG editor (what-you-see-is-what-you-get). http://net2.com/nvu/about.html,
 download nvu-1.0-win32-installer-full http://net2.com/nvu/download.html

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KompoZer :  an open source, complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing. Download ,  kompozer-0.7.10-win32.zip  http://kompozer.net/download.php

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Ewisoft Web Builder : Free web editor for beginners and non-web-technical people,  http://wareseeker.com/Web-Development/ewisoft-web-builder-2.2.6.1.zip/265266, 
 Download Ewisoft  2.2.6.1 http://www.brothersoft.com/ewisoft-web-builder-download-27312.html

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Webnode :  a Free on-line website builder, http://www.webnode.com/ ,
Sign-up and create your free website! http://www.webnode.com/sign-up/

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Arachnophilia : a powerful programming editor with some special HTML production and editing features, http://www.arachnoid.com/arachnophilia/ ,
http://vps.arachnoid.com/arachnophilia/Documentation/ ,  Downloads
Arachnophilia.exe ,  http://vps.arachnoid.com/arachnophilia/index.php
Arachnophilia (version 4.0) http://www.pcworld.com/downloads/file/fid,2076-order,1-page,1-c,htmlauthoring/description.html , 
Arachnophilia 5.2 build 1902 http://www.download.com/Arachnophilia/3000-10247_4-10003798.html

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WYSIWYG editor : a free cross-browser editor that is packed with every rich-text editing feature you need to make your content management system much better.  http://www.openwebware.com/ download openWYSIWYG 1.4.7, http://www.openwebware.com/download.shtml

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PersonalWebKit : a free website software to home user to make a website.
http://www.personalwebkit.com/index.php ,
download PersonalWebKit 3.31 http://www.personalwebkit.com/downloads/index.php

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DFM2HTML : a freeware, easy to use WYSIWYG HTML editor, to compose  web sites using drag & drop and the nesting feature. ,
download DFM2HTML 3.3  http://www.dfm2html.com/index.html

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Joomla : an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Joomla is an open source solution that is freely available to everyone.  A content management system is software that keeps track of every piece of content on your Web site. The advantage of using a CMS is that it requires almost no technical skill or knowledge to manage. Since the CMS manages all your content, you don't have to.
http://www.joomla.org/about-joomla.html.
Download  Joomla_1.5.8-Stable-Full_Package.zip   http://mirror.waltercedric.com/