A few days ago I stumbled upon Swiz, which bills itself as the "brutally simple micro-architecture for Rich Internet Application development with Adobe Flex." If the term micro-architecture or the buzzword Rich Internet Application haven't scared you off yet, read on, because it really is a lovely little framework.
The Flex client works exactly like the Flash 9 client and shares an almost identical codebase. 99% of the framework is the same.
All changes in this version are server-side:
Today I'm releasing The GAE SWF Project, a resource of Flash and Flex-related knowledge specifically aimed at getting you up and running quickly with Google App Engine. If you want to skip all the details and start playing with it, skip to the Getting Started section.
I just read a blog post and watched a screencast about a new Flash framework called Gaia and I like most of what I saw.