Rich Web Client Scratch Pad

Laszlo
http://today.java.net/pub/a/today/2005/03/22/laszlo.html?page=1
http://www.laszlosystems.com/
http://www.openlaszlo.org/

XUL
http://www.xulplanet.com/

XAMJ (????)
http://html.xamjwg.org/index.jsp

MXML (Flex)
http://www.macromedia.com/devnet/flex/articles/paradigm.html
http://www.macromedia.com/software/flex/

XAML
http://www.ondotnet.com/pub/a/dotnet/2004/01/19/longhorn.html
http://www.xamlblogs.com/