AS3 Library

as3corelib - ActionScript 3.0 library for several basic utilities

website: http://code.google.com/p/as3corelib/
version: 0.92.1
license: New BSD License
download swc

Tweener - A class for creating tweens in actionscript 3 - because there's infinity between 0 and 1.

website: http://code.google.com/p/tweener/
version: 1.31.74
license: MIT License
download swc

GreenSock - Tweening Platform

website: http://www.greensock.com/v11/
version: 11
license: see licensing

tweensy FX, Original - Property tweener & motion effects library

website: http://code.google.com/p/tweensy/
version: 0.2.2
license: MIT License
download swc

BetweenAS3 - Fast, powerful and professional new tweening engine

website: http://www.libspark.org/wiki/BetweenAS3/en
version: rev.3422@libspark
license: MIT License
download swc

KTween - Fast & simple tween engine for AS3

website: http://code.google.com/p/kawanet/wiki/KTween
version: 1.0.2 (20100526)
license: MIT License
download swc

Progression - less time, more time on creativity

website: http://progression.jp/
version: 4.0.22
license: see Progression license
download swc

Thread - ActionScript Thread Library (Soumen)

website: http://www.libspark.org/wiki/Thread
version: rev.3371 at libspark
license: MIT License
download swc

Thread StepProcessor - extension to the Thread Library for multi threading based on pseudo threads

website: http://www.libspark.org/wiki/martinheidegger/ThreadStepProcessor/en
version: 1.0.5
license: MIT License
download swc

Stats - Actionscript Performance Monitor

website: https://github.com/mrdoob/Hi-ReS-Stats
version: 2.1
license: MIT License
download swc

Papervision3D - Open Source realtime 3D engine for Flash

website: http://papervision3d.org/
version: 2.1.932
license: MIT License
download swc

Sandy 3D Engine - Flash 3D engine

website: http://www.flashsandy.org/
version: 3.1 rev.1006
license: Mozilla Public License 1.1
download swc

Alternativa3D - Flash-3D-engine

website: http://alternativaplatform.com/
version: 8.32.0
license: see Alternativa3D licensing details

Alternativa3D V5 - browser 3D-engine based on Adobe Flash, patched by @makc3d to swap namespace to alternativ5

website: http://alternativaplatform.com/en/alternativa3d/
version: 5
license: see Alternativa3D licensing details

Away3D - Realtime 3D engine for Flash

website: http://away3d.com/
version: 4.0.9
license: Apache License, Version 2.0
download swc

Away3D Lite - fastest and smallest 3d engine in Flash

website: http://away3d.com/
version: 1.0
license: Apache License, Version 2.0
download swc

FIVe3D - Flash Interactive Vector-based 3D

website: http://code.google.com/p/five3d/
version: FlashPlayer10 v1.0.2
license: MIT License
download swc

Box2DFlashAS3 - free 2D physics engine for Flash

website: http://sourceforge.net/projects/box2dflash/
version: 2.0.2
license: zlib/libpng License
download swc

jiglibflash - Flash 3D physics engine

website: http://code.google.com/p/jiglibflash/
version: r192, without plugin
license: MIT License
download swc

swfassist - reading and writing binary SWF file

website: http://www.libspark.org/wiki/yossy/swfassist
version: alpha
license: Apache License, Version 2.0
download swc

Flash Camouflage - graphics framework for skin layout from pngs, jpgs or gifs

website: http://code.google.com/p/flash-camouflage/
version: 2.2.2
license: MIT License
download swc

minimalcomps - Minimal ActionScript 3.0 code only UI components

website: http://code.google.com/p/minimalcomps/
version: 0.9.6
license: MIT License
download swc

Union Reactor - a development platform for creating multiuser applications

website: http://www.unionplatform.com/
version: 1.1.0.1169
license: proprietary

SiON - sound generation, processing and effect library

website: http://www.libspark.org/wiki/keim/SiON_e
version: 0.6.5
license: see License
download swc

Stardust - AS3 particle engine

website: http://code.google.com/p/stardust-particle-engine/
version: 1.3.193
license: MIT License
download swc

Funnel - physical computing toolkit

website: http://funnel.cc/Software/ActionScript3/
version: r705
license: New BSD License
download swc

Modest Maps - display and interaction library for tile-based maps in Flash

website: http://modestmaps.com/
version: r749
license: New BSD License
download swc

Google Maps API for Flash

website: http://code.google.com/intl/ja/apis/maps/
version: 1.17
license: proprietary

UMap AS3 - Universal ActionScript 3.0 Mapping API

website: http://www.afcomponents.com/components/umap_as3/
version: 1.6.8
license: proprietary

SDK for FeliCa & Adobe AIR / Adobe Flash - Standard

website: http://www.sony.co.jp/Products/felica/pdt/adb.html
version: 1.0.0.0
license: proprietary

KitchenSync - ActionScript3.0 library for sequencing animations and other time-based actions

website: http://kitchensynclib.googlecode.com/
version: 2.0.1
license: MIT License
download swc

QuickBox2D - simplify Box2D

website: http://actionsnippet.com/?page_id=1391
version: 1.1
license: MIT License
download swc

Score Ranking - Simple Library to Add Score Ranking Save/Fetch Feature in Your Flash

website: http://code.google.com/p/score-ranking-as3/
version: 1.0.3
license: MIT License
download swc

FLARToolkit - ActionScript 3.0 version ARToolkit class library

website: http://www.libspark.org/wiki/saqoosha/FLARToolKit
version: 1.0.0
license: see License
download swc

Desuade Motion Package - A breakthrough AS3 library that combines keyframe-sequencing, physics, and tweening

website: http://desuade.com/dmp
version: 1.5
license: MIT License
download swc

Desuade Partigen - A revolutionary ActionScript 3 particle effects engine and component for Flash

website: http://desuade.com/partigen
version: 2.5
license: MIT License
download swc

Frocessing - AS3 drawing library similar to Processing

website: http://www.libspark.org/wiki/nutsu/Frocessing
version: 0.6
license: LGPL

Flint Particle System - Actionscript 3 Particle Engine for Flash and Flex

website: http://flintparticles.org/
version: 4.0.1
license: see LICENSE
download swc

Wonderfl Utils - utility classes related to wonderfl.net resources to add convinient features into your code

website: http://github.com/mash/WonderflUtils
version: 0.3
license: MIT License
download swc

textanim - A class for dynamic text animation in actionscript 3

website: http://code.google.com/p/textanim/
version: r141
license: MIT License
download swc

polygonal - haXe library for game developers

website: http://code.google.com/p/polygonal/
version: 1.30
license: New BSD License
download swc

PushButtonEngine - an Open Source, Flash game engine and framework that's designed for a new generation of games

website: http://pushbuttonengine.com/
version: 1.0
license: MIT License
download swc

as3swf - Low level Actionscript 3 library to parse, create, modify and publish SWF files

website: http://github.com/claus/as3swf
version: November 04, 2010 co
license: MIT License
download swc

ASSURF - SURF feature extraction library in ActionScript for the Adobe Flash Platform

website: http://code.google.com/p/in-spirit/wiki/ASSURF
version: rev.205
license: MIT License
download swc

bezier - Bezier and Line classes: intersections and other basic methods

website: http://code.google.com/p/bezier/
version: r179
license: New BSD License
download swc

miniui - miniui

website: http://code.google.com/p/actionscriptiui/
version: v1.0
license: MIT License
download swc

ukiuki - Ukiuki is an ActionScript3.0 library to move objects.

website: http://www.libspark.org/wiki/Ukiuki
version: rev.4446 at libspark
license: Creative Commons Attribution 2.1
download swc

cjsignals - ActionScript 3.0 Observer Framework

website: http://code.google.com/p/cjsignals/
version: 1.0.32
license: MIT License
download swc

Use It Better analytics - Use It Better is a fully hosted tool for analyzing performance and UX of Adobe Flash websites, games and apps

website: http://useitbetter.com/
version: 1.0
license: see Terms of Service

Monster Debugger - Debugger for Flash / Flex / AIR developed by Digital Creative Agency De Monsters

website: http://demonsterdebugger.com/
version: 3.01
license: GNU GPL v3

cannonML - the library to execute Cannon Macro Language on action script 3

website: http://www.libspark.org/wiki/keim/cannonML_e
version: 0.31
license: see License
download swc

Flixel - An open source game-making library

website: http://flixel.org/
version: 2.55
license: MIT License
download swc

Pixas - build isometric pixel Flash Applications with pure ActionScript3

website: http://code.google.com/p/pixas/
version: 1.2.62
license: MIT License
download swc

GTween - build isometric pixel Flash Applications with pure ActionScript3

website: http://gskinner.com/libraries/gtween
version: 2.01
license: MIT License
download swc

Tween24 - tweening library with mathod chaining

website: http://package.a24.cat/tween24/
version: 2.0
license: MIT License
download swc

starling - The Open Source Game Engine for Flash

website: http://gamua.com/starling/
version: 1.3
license: Simplified BSD License
download swc

nd2d - A Flash Molehill (Stage3D) GPU accelerated 2D game engine

website: https://github.com/nulldesign/nd2d
version: 2012-08-28
license: MIT License
download swc

Alternativa3D V7 - browser 3D-engine based on Adobe Flash, patched by Artem Pecheny to swap namespace to alternativ7

website: http://alternativaplatform.com/en/alternativa3d/
version: 7.8
license: see Alternativa3D licensing details

Feathers - the open source ui components for starling framework

website: http://feathersui.com/
version: 1.0.0
license: Simplified BSD License
download swc

Feathers Theme - AeonDesktopTheme, AzureMobileTheme, MetalWorksMobileTheme, MinimalMobileTheme

website: http://feathersui.com/
version: 1.0.0
license: Simplified BSD License

Nape - Cross platform 2D physics for AS3/Haxe

website: http://napephys.com/
version: 2.0.3
license: https://github.com/deltaluca/nape/blob/master/LICENCE.txt
download swc