wwwDB appears to be a nice tool, but not a search engine per se'. Reading the overview,
http://wwwdb.org/wwwdb/0000000000000000/WWWdb/WWWdb:Tools:ShowDoc;id=9it is more but a CGI based SQL DB "navigator" and FORMs tools.
Having never used AOLserver 2.33 much, I think it had something similar built in to it. There is more to it than that, they built their website using it.
