In response to comments, I'll rephrase the question: We're building a web based mapping and data querying system. The data are at several different scales, and should be queryable at these scales. ...
There is a list of Web Clients for Geoserver on the Geoserver site (http://geoserver.org/display/GEOSDOC/Clients). Unfortunately, it is posted as no longer maintained. Does anyone have a current list ...