A set of free, open source tools for mounting open standards-based geospatial data servers is now available as a .Net SDK (see http://www.thecarbonproject.com/products/carbon.html ). Missing from this suite is the Z39.50 search service. Z39.50 is required for servers to participate in the various Spatial Data Infrastructures (now grown to about 50 nations worldwide, with almost 400 metadata servers searchable through the GSDI Clearinghouse.) If you have or know of .Net components that could provide Z39.50 server and client functions to this SDK, please let me know! Eliot ------------------------------------------------------------------ CarbonTools Geospatial .NET development toolkit The mission of CarbonTools(TM) is to make open geospatial services accessible to Windows developers. The CarbonTools SDK provides an open and extendable framework on which Windows and .NET developers can build software solutions. The CarbonTools toolkit provides an extensive API that supports the Open Geospatial Consortium (OGC) specifications including Web Map Services (WMS), Web Feature Services (WFS) and Geography Markup Language (GML). These extensive and robust specifications are a major challenge for developers. The CarbonTools API makes these specifications accessible to developers. Beginners as well as the most advanced developers should find that supporting geospatial solutions is a manageable task with CarbonTools. ------------------------------------------------------------------