I was in the process of collecting all of my favorite Actionscript 3 class libraries, when I came across this giant list of them. Rather than double up the work, I wanted to share it with everyone! This guy put a lot of time into organizing it, and its a very useful list. If you don’t know how to use external libraries, check out my article on them.

3D Engines

• Papervision3D
  http://blog.papervision3d.org/
• Away 3D
  http://www.away3d.com/
  
• Sandy 3D
  http://www.flashsandy.org/
  
• Alternativa Platform
  http://blog.alternativaplatform.com/en/
  
• FIVe3D
  http://five3d.mathieu-badimon.com/
  
• WireEngine3D (we3d) – A lightweight and fast 3D Engine for Flash 8/9.
  http://osflash.org/we3d/
  
• Sharikura
  http://temp.roxik.com/datas/physics/

3D Game Engines

• PaperWorld 3D
  http://paperworld3d.com/

3D Animation Framework

• Cast3D
  http://www.cast3d.org/

3D Physics Engines

• WOW-Engine
  http://seraf.mediabox.fr/wow-engine/
• jiglibflash
  http://www.jiglibflash.com/blog/

Augmented Reality

• FLARToolkit
  http://www.libspark.org/wiki/saqoosha/FLARToolKit/en
• FLARManager
  http://words.transmote.com/wp/flarmanager/
• ARtisan
  http://onezerothrice.com/artisan/

Animation Tweening Kits

• Desuade Motion Package – A breakthrough AS3 library that combines keyframe-sequencing, physics, and tweening.
  http://desuade.com/dmp
  
• TweenLite
  http://blog.greensock.com/tweenliteas3/
  
• TweenMax
  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
  http://www.lostinactionscript.com/blog/index.php/2008/08/31/as3-tween-engine-tweensy-preview/
• TweensyZero – A light weight version of Tweensy.
  http://code.google.com/p/tweensy/wiki/TweensyZero
• GoASAP (ActionScript Animation Platform)
  http://www.goasap.org/
  
• AS3 Animation System 2.0
  http://www.boostworthy.com/blog/?p=170
  
• Animation Package
  http://www.alex-uhlmann.de/flash/animationpackage/
  
• KitchenSync – 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
  http://www.gskinner.com/blog/archives/2008/08/gtween_a_new_tw.html
  
• HydroTween + HydroSequence (based on GoASAP)
  http://blog.hydrotik.com/2008/07/19/hydrotween-hydrosequence-rev32/
  
• AS3 Easing
  http://www.uza.lt/codex/as3-easing/
  
• Twease
  http://code.google.com/p/twease/
• BetweenAS3
  http://www.be-interactive.org/works/20090428/slide_betweenas3.html
• ByteTween – Light weight engine (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 tweening library
  http://code.google.com/p/eaze-tween/

2D Physics Engines

• APE (Actionscript Physics Engine)
  http://www.cove.org/ape/index.htm
  
• Box2DFlashAS3
  http://box2dflash.sourceforge.net/
  
• FOAM – 2D Rigid Body Physics Engine.
  http://code.google.com/p/foam-as3/
  
• glaze – 2D Rigid Body Dynamics & Game Engine for Actionsctipt 3.
  http://code.google.com/p/glaze/
  
• motor2
  http://lab.polygonal.de/motor_physics/
  
• Fisix Engine
  http://www.fisixengine.com/default.asp
  
• PopShapes
  http://lab.andre-michelle.com/physics-engine/
• Collision Detection Kit
  http://coreyoneil.com/portfolio/index.php?project=5
• QuickBox2D – A mini-library created to work with Box2DFlashAS3
  http://actionsnippet.com/?page_id=1391

Security

• AS3Crypto
  http://crypto.hurlant.com/

Audio Libraries

• Popforge – ActionScript 3 code sandbox for various packages.
  http://code.google.com/p/popforge/

Particle Systems

• FLiNT
  http://flintparticles.org/
  
• Partigen (Not free)
  http://desuade.com/products/partigen/
• 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/

Data Visualization

• Flare – Create interactive data visualizations for the web.
  http://flare.prefuse.org/

Loading Kits

• BulkLoader – A library for managing multiple loadings with Actionscript 3 (AS3).
  http://code.google.com/p/bulk-loader/
  
• Masapi
  http://code.google.com/p/masapi/
  
• QueueLoaderAS3
  http://code.google.com/p/queueloader-as3/
• SomaLoader
  http://www.soundstep.com/blog/downloads/somaloader/

OOP Frameworks

• Cairngorm
  http://opensource.adobe.com/wiki/display/cairngorm/Cairngorm
  
• PureMVC
  http://puremvc.org/
  
• Mate
  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
  http://www.gaiaflashframework.com/
• LayerGlue – A framework aimed at rapid website development for Flash & Flex.
  http://www.layerglue.com
• Slide
  http://code.google.com/p/flex-slide/
  
• Guasax
  http://www.guasax.com/
  
• VEGAS
  http://code.google.com/p/vegas/
  
• Parsley
  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/

Other APIs and libraries

• 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
  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/
  
• lastfm-as3 – Actionscript 3.0 API to access the Last.fm web services.
  http://code.google.com/p/lastfm-as3/
  
• MapQuest
  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
  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/
  
• FFilmation – AS3 Isometric Engine
  http://www.ffilmation.org/website/
  
• 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
  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
  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
  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/
• PushButton Engine – An Open Source, Flash game engine and framework that’s designed for a new generation of games.
  http://pushbuttonengine.com/
• flixel – A collection of Actionscript 3 files that helps organize, automate, and optimize Flash games.
  http://flixel.org/
• 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/

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