What are some current examples of web services serving thematic mapping based on free and open source software? The thematic mapping could be in the form of choropleth or point layers. It would be very interesting to see some good publicly accessible geo-information systems, with the emphasis as much on simple but well-implemented projects as on those that are technically accomplished.
Look at this site,Thematic Mapping, maybe you'll find there something that can help you.
http://www.waterandhealth.eu/ is a nice MapFish and/or GeoExt based site. I'm not sure what the server behind it is.
The Environmental Response Management Application for NOAA was built on FOSS systems, though it uses Google's data.
A JSF2 WebGIS platform based on
No proprietary GIS software used for the creating and running of the platform.
The page is in German, so use this loooong permalink to see something..