Some usefull As3 Lib on Google
corelib
The corelib project consists of several basic utilities for MD5 hashing, JSON serialization, advanced string and date parsing, and more.
The corelib project is now hosted on Google Code at:
http://code.google.com/p/as3corelib/
FlexUnit
FlexUnit is a unit testing framework for Flex and ActionScript 3.0 applications. It mimics the functionality of JUnit, a Java unit testing framework, and comes with a graphical test runner.
The FlexUnit project is now hosted on Google Code at:
http://code.google.com/p/as3flexunitlib/
Flickr
The Flickr library is an ActionScript 3.0 API for the online photo sharing application, Flickr. It provides access to the entire Flickr API.
The Flickr ActionScript 3 Library is now hosted on Google code at:
http://code.google.com/p/as3flickrlib/
Mappr
Mappr is a service and application that combines images from Flickr with geolocational information. The Mappr ActionScript 3.0 API gives you access to Mappr's geo-tagged image data.
The Mappr ActionScript 3 Library is now hosted on Google code at:
http://code.google.com/p/as3mapprlib/
RSS and Atom libraries
Use the RSS and Atom libraries to parse Atom and all versions of RSS easily. These libraries hide the differences between the formats so you can parse any type of feed without having to know what kind of feed it is.
The ActionScript 3 XML Syndication Library is now hosted on Google code at:
http://code.google.com/p/as3syndicationlib/
Odeo
The Odeo API provides an ActionScript 3.0 interface for searching and retrieving podcasts from Odeo.
The Odeo ActionScript 3 Library is now hosted on Google code at:
http://code.google.com/p/as3odeolib/
YouTube
The YouTube API provides an ActionScript 3.0 interface to search videos from YouTube.
The Odeo ActionScript 3 Library is now hosted on Google code at:
http://code.google.com/p/as3youtubelib/
as3ebaylib
The eBay ActionScript 3.0 library provides an interface between the eBay XML API and ActionScript 3.0. This open-source library will allow developers to create novel and innovative applications leveraging both eBay's marketplace services and Adobe's Flash Player 9 runtime! It is written in ActionScript 3.0, so any environment using ActionScript 3.0 can use this library, including Adobe Flex 2 and Adobe Flash Pro 9.
http://code.google.com/p/as3ebaylib/
papervision3d