Adobe has announced and open sourced technology for enterprise [RIA] development, BladeDS.
Here’s a tutorial on using BladeDS and FB3.
Basically BladeDS contains the AMF Spec. and a subset of LCDS offerings like messaging (publish / subscribe) and remoting.
So what was dropped in this subset of LCDS?
Well from Adobe’s BladeDS FAQ:
Even so, the opensource remoting / messaging is a great option, thanks Adobe!
I’d like to see some comparisons of BladeDS and WebOrb myself. I’m sure they’ll be out soon enough.