Eaze Tween is a “smart, fast, chainable and compact Flash AS3 tweening library”.
Link to the library:
http://code.google.com/p/eaze-tween/
Link to a post about Eaze at the developer’s blog:
http://philippe.elsass.me/2009/11/as3-eaze-tween-library-update/
A project built with Eaze and TUIO:
http://techsparked.com/application/as3-tuio-hypeeaze-particles