iWebSites for Mac

From Cocoadrillo Software:

When Apple introduced its clever iLife web design software, iWeb, they left out one important feature: the ability to load and save multiple web sites. There isn't even an "Open" menu item under the File Menu! You can create multiple "sites" that are somewhat independent of each other, but they still exist as one file ("Domains.sites") and cannot be separately uploaded onto different web servers or into different .Mac accounts.

iWebSites rectifies this by manipulating the files in the directory where iWeb keeps its website files, and allows users to have multiple websites that are completely independent of each other. iWebSites creates new sites, duplicates sites you already have, sets the "default site" for iWeb, and allows you to delete sites. New in version 1.0 is the ability to drag/drop or copy/paste ".sites" files to and from the finder or an e-mail program.