Papervision3D | 3d engine | http://blog.papervision3d.org/
Away 3D | 3d engine | http://www.away3d.com/
Sandy 3D | 3d engine | http://www.flashsandy.org/
Alternativa Platform | 3d engine | http://blog.alternativaplatform.com/en/
FIVe3D | description | http://five3d.mathieu-badimon.com/
WireEngine3D | A lightweight and fast 3D Engine for Flash 8/9. | http://osflash.org/we3d/
Sharikura | 3d engine | http://temp.roxik.com/datas/physics/
Infinity3d | 3d engine | http://www.infinity3d-engine.com
AS3Dmod | A cross-engine 3d modifier library for Flash | http://code.google.com/p/as3dmod/
nd3d | ND3D is a small and lightweight AS3 3D Engine | http://code.google.com/p/nd3d/
PaperWorld 3D | 3D Game Engines | http://paperworld3d.com/
Yogurt3D | 3D Game Engines | http://www.yogurt3d.com/
FlashPunk | Provide you with a fast, clean framework for prototyping and developing games. | http://flashpunk.net/
flixel | A collection of Actionscript 3 files that helps organize, automate, and optimize Flash games. | http://flixel.org/
PixelBlitz Engine | A game framework for Actionscript3 | http://www.photonstorm.com/pixelblitz-engine
PushButton Engine | An Open Source, Flash game engine and framework that's designed for a new generation of games. | http://pushbuttonengine.com/
as3isolib | An open-source ActionScript 3.0 Isometric Library | http://as3isolib.wordpress.com/
FFilmation | AS3 Isometric Engine | http://www.ffilmation.org/
isoengineas3 | Flash Isometric Engine AS3 | http://sourceforge.net/projects/isoengineas3/
Cast3D | 3D Animation Framework | http://www.cast3d.org/
WOW-Engine | 3D Physics Engines | http://seraf.mediabox.fr/wow-engine/
jiglibflash | 3D Physics Engines | http://www.jiglibflash.com/blog/
FLARToolkit | Augmented Reality | http://www.libspark.org/wiki/saqoosha/FLARToolKit/en
FLARManager | Augmented Reality | http://words.transmote.com/wp/flarmanager/
ARtisan | Augmented Reality | http://onezerothrice.com/artisan/
Desuade Motion Package | A breakthrough AS3 library that combines keyframe-sequencing, physics, and tweening. | http://desuade.com/dmp
TweenLite | Animation Tweening Engines | http://blog.greensock.com/tweenliteas3/
TweenMax | Animation Tweening Engines | http://blog.greensock.com/tweenmaxas3/
Tweener | A class for creating tweens in actionscript 2 and 3, because there's infinity between 0 and 1. | http://code.google.com/p/tweener/
Tweensy | Animation Tweening Engines | http://www.lostinactionscript.com/blog/index.php/2008/08/31/as3-tween-engine-tweensy-preview/
TweensyZero | A light weight version of Tweensy. Animation Tweening Engines | http://code.google.com/p/tweensy/wiki/TweensyZero
GoASAP | Animation Tweening Engines | http://www.goasap.org/
AS3 Animation System 2.0 | Animation Tweening Engines | http://www.boostworthy.com/blog/?p=170
Animation Package | Animation Tweening Engines | http://www.alex-uhlmann.de/flash/animationpackage/
KitchenSync | Animation Tweening Engines KitchenSync is an ActionScript 3.0 library for sequencing animations and other time-based actions. | http://code.google.com/p/kitchensynclib/
Gyro | A tween and animation library for ActionScript 3. | http://code.google.com/p/gyro-actionscript-animation/
gTween | Animation Tweening Engines | http://www.gskinner.com/blog/archives/2008/08/gtween_a_new_tw.html
HydroTweenHydroSequence | Animation Tweening Engines (based on GoASAP) | http://blog.hydrotik.com/2008/07/19/hydrotween-hydrosequence-rev32/
AS3 Easing | Animation Tweening Engines | http://www.uza.lt/codex/as3-easing/
Twease | Animation Tweening Engines | http://code.google.com/p/twease/
BetweenAS3 | Animation Tweening Engines | http://www.be-interactive.org/works/20090428/slide_betweenas3.html
ByteTween | Light weight Animation Tweening Engines (focusing in low Kb increase and not being a do-it-all engine). | http://code.google.com/p/thelaboratory-tween/
Eaze | Blazing fast, chainable and compact Flash AS3 Animation Tweening library | http://code.google.com/p/eaze-tween/
Actuate | Animation Tweening for Actionscript 3 | http://code.google.com/p/actuate/
grape-as3 | Path-based ActionScript 3 Animation Tweening library | http://blog.generalrelativity.org/actionscript-30/grape-animation-library/
RabbitTween | A new fast and easy Animation Tweening engine for Flash AS3 | http://blog.open-design.be/2009/09/26/rabbittween-new-fast-and-easy-transitiontween-engine-for-flash-as3/
APE (Actionscript Physics Engine) | 2D Physics Engine | http://www.cove.org/ape/index.htm
Box2DFlashAS3 | 2D Physics Engine | http://box2dflash.sourceforge.net/
FOAM | 2D Rigid Body Physics Engine. | http://code.google.com/p/foam-as3/
glaze | 2D Rigid Body Dynamics, Physics & Game Engine for Actionsctipt 3. | http://code.google.com/p/glaze/
motor2 | 2D Physics Engine | http://lab.polygonal.de/motor_physics/
Fisix Engine | 2D Physics Engine | http://www.fisixengine.com/default.asp
PopShapes | 2D Physics Engine | http://lab.andre-michelle.com/physics-engine/
Collision Detection Kit | 2D Physics Engine | http://coreyoneil.com/portfolio/index.php?project=5
QuickBox2D | A mini-library created to work with Box2DFlashAS3 2D Physics Engine| http://actionsnippet.com/?page_id=1391
AS3Crypto | Crypto library | http://crypto.hurlant.com/
Popforge | ActionScript 3 code sandbox for various packages. | http://code.google.com/p/popforge/
FLiNT | Particle System | http://flintparticles.org/
Pulse Particle System | A general purpose AS3 particle system. | http://www.rogue-development.com/pulseParticles.html
Emitter | ActionScript 3.0 particle FX engine. | http://code.google.com/p/emitter/
Stardust | ActionScript 3.0 Particle engine. | http://code.google.com/p/stardust-particle-engine/
Orion | An all around simple and flexible particle generator. | http://blog.coursevector.com/orion
particlesun | A 3D or 2D Particle Engine for Actionscript 3.0 | http://code.google.com/p/particlesun/
Flare | Create interactive data visualizations for the web. | http://flare.prefuse.org/
BulkLoader | A library for managing multiple loadings with Actionscript 3 (AS3). | http://code.google.com/p/bulk-loader/
Masapi | Flash/Flex/AIR AS3 Framework for the massive loading (MassLoad) | http://code.google.com/p/masapi/
QueueLoaderAS3 | an actionscript library for sequential asset loading and monitoring | http://wiki.github.com/hydrotik/QueueLoader/
SomaLoader | A lightweight loading manager written in AS3 | http://www.soundstep.com/blog/downloads/somaloader/
Cairngorm | OOP Framework | http://opensource.adobe.com/wiki/display/cairngorm/Cairngorm
PureMVC | OOP Framework | http://puremvc.org/
Mate | OOP Framework | http://mate.asfusion.com/
Swiz | Brutally simple micro-architecture for Rich Internet Application development with Adobe Flex | http://code.google.com/p/swizframework/
HydraMVC | A rewrite of the PureMVC API exclusively for Flex | http://www.hydramvc.com/
RobotLegs | An Architectural (or Structural) Action Script 3 Framework | http://shaun.boyblack.co.za/blog/category/robotlegs/
Gaia | An open-source front-end Flash Framework for AS3 and AS2 designed to dramatically reduce development time | http://www.gaiaflashframework.com/
LayerGlue | A framework aimed at rapid website development for Flash & Flex. | http://www.layerglue.com
Slide | An application framework for Flex 2 and Flex 3 | http://code.google.com/p/flex-slide/
Guasax | an ease of use programming framework to provide ordered and scalable Flex applications | http://www.guasax.com/
VEGAS | an AS3, AS2 and SSAS OpenSource Framework | http://code.google.com/p/vegas/
Parsley | an application framework for Flex/Flash/AIR applications written in AS3 | http://www.spicefactory.org/parsley/
LowRa | AS3 version of pixlib. | http://code.google.com/p/lowra/
CASA Lib | An Open Source Code Library for ActionScript 2.0 & 3.0 | http://casalib.org/
FlashMVC | A flexable lightweight framework engine for AS3. | http://www.flashmvc.com/
Hive | A state-based MVC framework for AS3. | http://code.google.com/p/as-hive/
Soma and SomaUI | An AS3 MVC framework and software to generate an AS3 flash site based on it. | http://www.soundstep.com/blog/downloads/somaui/
Spring Actionscript | An offshoot of the Java-based Spring Framework. | http://www.springactionscript.org/
SmartyPants IOC | Dependency Injection for Adobe Flex and Flash | http://smartypants.expantra.net/
fosfr | AS3 open source framework | http://code.google.com/p/fosfr/
facebook-actionscript-api | Actionscript API for the Facebook platform. | http://code.google.com/p/facebook-actionscript-api/
as3facebooklib | ActionScript 3.0 API for Facebook. | http://code.google.com/p/as3facebooklib/
Yahoo Maps API | Yahoo Maps API | http://developer.yahoo.com/flash/maps/
corelib | ActionScript 3.0 library for several basic utilities (JPEG Encoding, MD5 Hashing, JSON Serialization). | http://code.google.com/p/as3corelib/
as3flexunitlib | ActionScript 3.0 framework for unit testing. | http://code.google.com/p/as3flexunitlib/
as3flickrlib | ActionScript 3.0 API for Flickr. | http://code.google.com/p/as3flickrlib/
as3mapprlib | ActionScript 3.0 API for Mappr. | http://code.google.com/p/as3mapprlib/
as3syndicationlib | ActionScript 3.0 library for handling syndication feeds. | http://code.google.com/p/as3syndicationlib/
as3odeolib | ActionScript 3.0 API for Odeo. | http://code.google.com/p/as3odeolib/
as3youtubelib | ActionScript 3.0 API for YouTube. | http://code.google.com/p/as3youtubelib/
as3ebaylib | ActionScript 3.0 API for eBay. | http://code.google.com/p/as3ebaylib/
as3awss3lib | ActionScript 3.0 library for interacting with Amazon S3. | http://code.google.com/p/as3awss3lib/
as3soundeditorlib | Actionscript 3.0 library for sound playback, spectrum display, and cue point display. | http://code.google.com/p/as3soundeditorlib/
as3ds | AS3 Data Structures For Game Developers. | http://code.google.com/p/as3ds/
as3notificationlib | A notification framework written in AS3 for the Adobe Integrated Runtime (AIR). | http://code.google.com/p/as3notificationlib/
as3preferenceslib | An AIR library for storing preferences. | http://code.google.com/p/as3preferenceslib/
as3nativealertlib | An AIR alert that appears in a native window. | http://code.google.com/p/as3nativealertlib/
ASCOLLADA | actionscript library for parsing Collada files. | http://code.google.com/p/ascollada/
FZip | An Actionscript 3 class library to load, modify and create standard ZIP archives. | http://codeazur.com.br/lab/fzip/
AS3 Zip Library | An ActionScript 3 based library for reading and writing zip files. | http://nochump.com/blog/?p=15
lastfm-as3 | Actionscript 3.0 API to access the Last.fm web services.| http://code.google.com/p/lastfm-as3/
MapQuest | MapQuest API | http://company.mapquest.com/mqbs/4a.html
Modest Maps | A display and interaction library for tile-based maps in Flash. | http://www.modestmaps.com/
as3cards | An ActionScript 3.0 card engine and example games. | http://code.google.com/p/as3cards/
flexircclient | ActionScript 3 based IRC library. | http://code.google.com/p/flexircclient/
AsWing | A GUI framework and library that allows programmers to make their flash application(or RIA) UI easily. | http://www.aswing.org/
as3httpclient | ActionScript 3 utils/classes to extend HTTP/HTTPS APIs in Flash Player 9 (onwards). | http://code.google.com/p/as3httpclient/
DistortionTweener | Animation Tweening Engine | http://evolve.reintroducing.com/2007/11/18/as3/as3-distortiontweener/
ascanvas | An adapter of HTML Canvas and fl.display.Graphics | http://code.google.com/p/ascanvas/
dopplr-as3 | actionscript 3 code for accessing data from dopplr.com's api. | http://code.google.com/p/dopplr-as3/
FC64 | an Open-Source Commodore 64 Emulator. | https://mirror1.cvsdude.com/trac/osflash/fc64/
Google Maps API | Google Maps API | http://code.google.com/apis/maps/documentation/flash/intro.html
FVNC | VNC Client for Flash Player 9 and above. | http://osflash.org/fvnc
AS3 Parametric Curve Library | AS3 Parametric Curve Library | http://www.algorithmist.net/as3pc.html
AWI | AMFPHP-WordPress Integration. | http://www.klr20mg.com/awi/ (in Spanish)
as3webservice | Open-source Webservice class implementation in AS3 for Flash CS3 IDE. | http://code.google.com/p/as3webservice/
as3jayrock | AS3 wrapper for Jayrock communication. | http://code.google.com/p/as3jayrock/
ASAP Library | A library for the development of maintainable, multi-movie, interactive applications. | http://asaplibrary.org/
Wordpress XML-RPC API | Wordpress XML-RPC API | http://blog.absentdesign.com/?page_id=22
as3maillib | An ActionScript 3 email library. | http://code.google.com/p/as3maillib/
AlivePDF | ActionScript 3 Open-Source PDF Library – 100% client side PDF generation. | http://alivepdf.bytearray.org/
SWFAddress | Deep linking for Flash. | http://www.asual.com/swfaddress/
Flash Camouflage | Skinning framework for AS3. | http://code.google.com/p/flash-camouflage/
Flexlib | Open Source Flex Component Library. | http://code.google.com/p/flexlib/
Yahoo Astra Flash Components | description | http://developer.yahoo.com/flash/astra-flash/
as3-fullscreen-lib | A small lib used for scalling content to the full size of the browser. | http://code.google.com/p/as3-fullscreen-lib/
coordy | An Actionscript 3 Layout Framework. | http://code.google.com/p/coordy/
vectorvision | Vectors in papervision3D. | http://code.google.com/p/vectorvision/
WiiFlash | Communication between the Wiimote and Flash. | http://code.google.com/p/wiiflash/
Stats | A simple info box that will help you monitor your code performance. | http://code.google.com/p/mrdoob/wiki/stats
twitterscript | Twitter API in ActionScript | http://code.google.com/p/twitterscript/
oauth-as3 | OAuth Actionscript library (useful for Twitter clients). | http://code.google.com/p/oauth-as3/
OAuth | AS3/Flex OAuth Library (useful for Twitter clients). | http://github.com/srohde/OAuth/tree/master
NabaztagAPI | Nabaztag API wrapper for Actionscript 3. | http://www.iotashan.com/NabaztagExplorer/
SWFObject | Standards-friendly method to embed Flash content using one JavaScript file. | http://code.google.com/p/swfobject/
tweetr | AS3 Twitter API | http://code.google.com/p/tweetr/
myLib | A powerful open source framework designed for advanced components programming with Adobe Flash AS3 projects. | http://mylib.samystudio.net/
as3scribdlib | ActionScript 3.0 API for Scribd | http://code.google.com/p/as3scribdlib/
FDOT | A collection of ActionScript 3 classes that make hard things easier. | http://onflash.org/ted/2009/08/fdot-making-hard-things-easier.php
xpath-as3 | An XPath implementation for ActionScript 3.0 | http://code.google.com/p/xpath-as3/
DirectorAS3 | Library for SlideShowPro Director | http://www.tuftandco.net/DirectorAS3/
SWX | The Native Data Format for Adobe Flash | http://code.google.com/p/swx-format/
openplatform-flash | AS3 client library for The Guardian Open Platform | http://code.google.com/p/openplatform-flash/
ARTionscript | An AS3 Generative Art Framework | http://artionscript.com/
ffffound-as3-api | FFFFOUND! (unofficial) AS3 API | http://toki-woki.net/blog/p336-ffffound-as3-api
colormunch | Actionscript (AS3) library for the Adobe Kuler API | http://code.google.com/p/colormunch/
GpxAS3 | A library for parsing and manipulating GPX (GPS Exchange Format) files. | http://github.com/ryanstewart/GpxAS3/tree
gaforflash | Google Analytics Tracking For Adobe Flash | http://code.google.com/p/gaforflash/
minimalcomps | Minimal ActionScript 3.0 code only UI components (Keith Peters) | http://code.google.com/p/minimalcomps/
HYPE Framework | A collaborative visual framework (Branden Hall and Joshua Davis) | http://hype.joshuadavis.com/
TempoLite | A small, efficient media library | http://blog.coursevector.com/tempolite
SoundManager | Makes adding sounds to your projects super simple | http://evolve.reintroducing.com/2008/07/15/news/as3-soundmanager/
TextFlowPro | Enables you to flow a series of textfields together so that they act as a single text container | http://www.gskinner.com/blog/archives/2009/01/editable_multif.html
AnimatedBitmap | Provides functionality for Bitmap objects that are animated by using a series of still images | http://blog.hexagonstar.com/animatedbitmapclass/
Active Window Blur | Active Window Blur | http://blog.onebyonedesign.com/?p=81
SWFsize | Works with SWFObject and provides control over the swf's container metrics | http://chargedweb.com/swfsize/
as3-signals | Signals is a new approach for AS3 events, inspired by C# events and signals/slots in Qt | http://wiki.github.com/robertpenner/as3-signals/
pipwerks.SCORM | Adding basic SCORM functionality to an existing Flash file | http://pipwerks.com/2008/04/27/how-to-add-basic-scorm-code-to-a-flash-movie/
custom-context-menu | Capture right-click events in Flash / Flex (AS 3) | http://code.google.com/p/custom-context-menu/
DataStructures | HaXe/AS3 library for game developers | http://code.google.com/p/polygonal/
ASBlender | Actionscript 3 library for reading Blender .blend files | http://wiki.github.com/timknip/asblender/
OpenPyro | An Open Source ActionScript 3 framework built for creating Rich Internet Applications | http://www.openpyro.org/
TurboSignals | A library implementing the signals and slots design pattern | http://jacksondunstan.com/turbosignals
evoTinyEngine | Demo scene engine | http://www.simppa.fi/blog/opensource-demo-engine-evotinyengine/
FlashSURF | SURF (Speeded Up Robust Features) feature extraction library written in Flash using Alchemy | http://code.google.com/p/in-spirit/wiki/FlashSurf
XML-RPC | Easy way to get Flash to transfer data with an XML-RPC endpoint | http://danielmclaren.net/2007/08/03/xmlrpc-for-actionscript-30-free-library
as3-rpclib | Actionscript 3 RPC libraries for flash-remoting(amf0), xml-rpc, json-rpc | http://code.google.com/p/as3-rpclib/
as3swf | Low level Actionscript 3 library to parse, create, modify and publish SWF files. | http://github.com/claus/as3swf
BrowserCanvas | The World’s Easiest Way to Dynamically Resize Flash | http://www.dncompute.com/blog/2008/06/23/browsercanvas-the-worlds-easiest-way-to-dynamically-resize-flash.html
Chain | Delayed function calling | http://blog.stroep.nl/2009/11/delayed-function-calling-chain/
App Analytics | Complete analyitics solution for Adobe AIR applications | http://www.appanalyticshq.com/
governor | A multithreading script engine | http://code.google.com/p/governor/
mojocolors | An Actionscript 3 color library inspired by the great Nodebox Colors library | http://code.google.com/p/mojocolors/
flashdraw3d | A very lightweight 3d drawing API for Flash | http://code.google.com/p/flashdraw3d/
Sprouts | An open-source, cross-platform project generation and configuration tool | http://projectsprouts.org/
ZaaIL | Broad Image format support for Flash | http://www.zaalabs.com/2010/04/introducing-zaail-40-image-format-support-for-flash/
FLVSlicer | A simple FLV slicer and merger | http://code.google.com/p/flvslicer/