GeoAr intends to be a rich client for WMS and WFS services. It's developed on LZX (OpenLaszlo), so it would serve dhtml(near future) and flash to the user's browser giving the chance of select between them, but having onlyone server's cource code.
This is the worlds first and probably only FLOSS project aimed to create a lowbudget, based on availble technology, cruise missile. No this is not a Joke, its for real. Why? Since no one has tried to do this before and certainly not under the GPL.