Avalon:Windows Presentation Foundation (WPF)
Indigo: Windows Communication Foundation (WCF)
For those who blast me and say that they are bad names, we could probably think of some that are worse.
Oh let me think, "Swing", "Aqua", "Cocoa", "Carbon"???
MFC just rolled off the tongue for years so why not WPF and WCF?
More TLAs to work with.