R1-RPC/J for ActionScript 3
The R1-RPC/J for AS3 is a toolkit that enables painless, strongly-typed RPC calls from client-side AS3 (including Adobe® Flex™ and Flash™) to server-side Java services. It has a number of important features and advantages, and is very easy and pleasant to use.
The D.eval API
The D.eval API is a pure AS3 library that brings the full eval() capability to Flash™ and Flex™ development.