Visit CNet’s software download site at: http://www.download.com.
Type ‘web page editor’ as the keyword in the Search box, and then press <Enter> to begin your search for trial software that can be downloaded.
You can further refine your software search by selecting an operating system, a licensing term (free or free to try), and a file size.
You might also like to visit the websites of Adobe (http://www.adobe.com) and Microsoft (http://www.microsoft.com) to check out their offerings directly. You could also use the keyword ‘web page editor’ or ‘open source web page editor’ on Google to see what may turn up.