As3 API Summary (basically have the original code download) original address: http://www.flexstudio.cn/blog? P = 14
Adobe APIs
Corelib, mappr, Flickr, YouTube and more.
Http://labs.adobe.com/wiki/index.php/ActionScript_3:resources:apis:libraries
APE (ActionScript physics engine)
Http://www.cove.org/ape/
As3awss3lib
ActionScript 3.0 library for interacting with Amazon S3
Http://code.google.com/p/as3awss3lib/
As3soundeditorlib
ActionScript 3.0 library for sound editing
Http://code.google.com/p/as3soundeditorlib/
As3ds
As3 data structures for game developers
Http://code.google.com/p/as3ds/
Ascollada
Http://code.google.com/p/ascollada/
As3crypto
ActionScript 3 cryptography library
Http://crypto.hurlant.com/
Asinmotion
Animation library for as3
Http://code.google.com/p/asinmotion/
Away3d
Http://code.google.com/p/away3d/
Ebay API
Http://code.google.com/p/as3ebaylib/
Facebook-as3
As3 API to access Facebook's platform API
Http://code.google.com/p/facebook-as3/
Flest
Flest framework for Adobe Flex and actionscript3 applications
Http://code.google.com/p/flest/
Fzip
ActionScript 3 class library to load standard ZIP archives and extract/decompress contained files.
Http://codeazur.com.br/lab/fzip/
Lastfm-as3
ActionScript 3.0 library to access the last. FM Web Services
Http://code.google.com/p/lastfm-as3/
MapQuest
Http://company.mapquest.com/mqbs/4a.html
Mecheye-as3-libraries
A set of ActionScript 3 libraries, primarily for flash game development.
Http://code.google.com/p/mecheye-as3-libraries/
Papervision3d
Http://code.google.com/p/papervision3d/
Salesforce flex Toolkit
Http://wiki.apexdevnet.com/index.php/Flex_Toolkit
Tweener
Full featured animation library
Http://code.google.com/p/tweener/
Twitter as3 API
Http://twitter.com/blog/2006/10/twitter-api-for-flash-developers.html
Uicomponents-as3
Lightweight as3 UI Component Library
Http://code.google.com/p/uicomponents-as3/
Xiff
XMPP client library
Http://svn.igniterealtime.org/svn/repos/xiff/branches/xiff_as3_flexlib_beta1/
Yahoo as3 APIs
Http://developer.yahoo.com/flash/as3_api_libraries.html