AS3Futures is a project mainly written in ..., it's free.
Trying to make sanity from all this asynchronicity
AS3 Futures is an effort to make a small set of classes to help handle asynchronous calls in AS3. The entry concept is the Future. This represents the outcome of an asynchronous action. Having a common interface to represent asynchronous actions allows the consumer of the interface to treat all async actions the same way.
Thanks for your interest in AS3Futures. Don't hesitate to send your comments my way