Web development software maker Xtreeme.com has just added support for ROR Sitemaps in its very popular SiteXpert tool.
With SiteXpert you can quickly create a variety of cross-browser navigation systems without having to worry about compatibility between browsers, no HTML / JavaScript knowledge required. You can also create a search engine (hosted by your own web server or for CDROM distribution). The program will automatically crawl through your web site or local disk in search for documents. SiteXpert comes with 10 navigation system types and hundreds of graphical schemes.