Animation and tweening responsibilities and application

[vesperOpifex]

Hi Guys,
You may know that the fl.* class package has been removed from the
subversion and future builds due to licensing issues and now a
requirement for advanced tweening is required throughout the framework
in a modular fashion. Future implementations to the framework are
centered around the tweener caurina.* package http://code.google.com/p/tweener/
.

These packages will have to be implemented through a modular fashion
with each tweener package available at once on a per developer build
specific relationship, where parsers of XML data will be entered into
the com.vesperopifex.display.utils.XMLAnimation class by appending the
required classes and identifiers for the XML to be passed to. Each
XML parser will have to use an interface designed to call a specific
method and return the built animation(s) in an Array object listing a
set of separate AnimationObject classes detailing the id of the
animation and the method to call for the initialization of that
animation.

Questions:
Are there any other MIT licensed tweening packages out there for
integration into the modular schema?