Here is another post full of new AS3 classes, you cn use in your own projects.

- Pixelator – Transition effect

A class that take two displayobjects and create a transition between the both

- GraphicsUtil – A Utility Class for Drawing Arrows

Actionscript class for drawing arrows.

ACTIONSCRIPT DRAWING CLASSES

- FullScreen Object Resize Class

The NpFSObjectResize Class is a fairly simple ActionScript 3 class for displaying any DisplayObject at fullScreen (fullBrowser) screen dimensions.

- Contextual Menu Manager Class

Simple ActionScript 3 class for creating and interacting with Contextual Menus.

- Flexible Layout Class

The NpFlexLayout Class is designed to simplify aligning DisplayObjects to stage dimensions and responding to changes in stage dimensions at run time by a user or between different users.

- Cookie class

Enables You to Read, Write, and Edit Shared Objects on the User’s Hard Disk.

- as3xls

Little package to read and write Excel files

- Cronjob

Manage repetitive or single tasks in the future using a cron task syntax

- Active Window Blur

- SliderUI v1.51