1. Flexbox
http://flexbox.mrinalwadhwa.com/
這是一位來自印度的flex開發者在07年2月份建立的flex組件庫，里面也有不少好東西。

2. Flexlib
http://code.google.com/p/flexlib/
由Dougmccune等人建立的flex組件庫，其中有不少實用的組件。

3.SpringGraph Flex Component
http://mark-shepherd.com/blog/springgraph-flex-component/
非常酷的拓撲關系組件！

4.Flex Visual Graph Library
http://code.google.com/p/flexvizgraphlib/
又一個拓撲圖形展示的類庫，動態效果那叫"驚艷"!
該項目的討論組:
http://groups.google.com/group/flexvizgraphlib

5. Open Source Framework for Flex / Flash & AIR(Apollo)
http://code.google.com/p/advancedflex/
The Advanced Flex project is open source Libraries & Framework for Adobe Flex & Flash developer. This is the framework written in AS3.0 & MXML for Flex & Flash & AIR(Apollo).

看起來里面涉及到了AOP及debugger等內容，有時間要好好看看了。

6. Open Source Flex Component: TreeMap
http://www.zeuslabs.us/2007/11/14/open-source-flex-component-treemap/

7. FlexMDI
http://code.google.com/p/flexmdi/
主要解決多窗口應用生成的問題，全名叫做：Flex Multiple Document Interface ，效果很不錯，對于做基于窗口的應用來說是個好的起點。

8. 反射組件類reflexutil
http://code.google.com/p/reflexutil/
這是作者的博客：
http://blog.deconcept.com/

9. 對象處理器flex-object-handles
http://code.google.com/p/flex-object-handles/
作者對該組件的介紹：
http://rogue-development.com/objectHandles.xml
WIKI:
http://code.google.com/p/flex-object-handles/wiki/ObjectHandlesUsage
功能是很強大，不過要想自己使用，還需修改一番！

10.CheckboxTree和Carousel組件
http://giles.roadnight.name/components.cfm
都有演示和源碼！

11.Flex拖拽庫
http://code.google.com/p/flex-drag-n-drop-lib/
新鮮出爐的類庫，太棒了，以后做拖拽處理就方便多了！

12. GeoVis
http://code.google.com/p/birdeye/wiki/GeoVis
GeoSpatial Analysis Components，地理空間分析組件，類似與矢量數據描述組件，比如矢量地圖什么的。

13.antennae
http://code.google.com/p/antennae/
基于ant的Flex工程編譯模版，內置FlexUnit等測試工具，很強大的說。

14.Degrafa:聲明式的圖形描述框架
官方網站：
http://www.degrafa.com/
googlecode:
http://code.google.com/p/degrafa/
演示：
http://samples.degrafa.com/
個人還是喜歡用AS3和flashIDE來繪圖，不太喜歡這個東西。不過這可框架有專門的組織來推動，似乎前景不錯！

15.openflux
號稱是 an open-source Flex component framework which allows developers to create radically new and custom Flex components，似乎是基于下一代Flex組件標準，但是目前還沒看到更多的東西。只有這個：
http://www.bobjim.com/2008/04/04/updated-plexiglass-openflux-3d-example/
該項目的GoogleCode：
http://code.google.com/p/openflux/

16.FlexReport
http://code.google.com/p/flexreport/
作者博客：
http://www.kemelyon.com/bts/
一個開源的客戶端報表生成組件，目前唯一不足的是不能消除字體的鋸齒問題，不過只要不放大字體，應該沒問題

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AS3開源項目

1.Flex/Actionscript Math Library
http://code.google.com/p/as3mathlib/
The Flex/Actionscript Math Library (as3mathlib) is intended to provide a rudimentary numerical analysis toolkit for the Actionscript/Flex programming environment.

一個很不錯的基礎項目，不過看起來還沒有完成：This library has just been converted from Actionscript 2 to Actionscript 3. It is not ready for general use.

2.ActionScript 3.0 library for several basic utilities
http://code.google.com/p/as3corelib/
AS3核心類庫，里面有包括加密、圖形文件編碼等等類庫。

3.alivepdf
http://code.google.com/p/alivepdf/
是一個Open-source AS3 PDF library，目的在于將flash內容轉為pdf文件信息，通過后臺程序來生成pdf文件。

4.Tweener
http://code.google.com/p/tweener/
A class for creating tweens in actionscript 2 and 3 - because there's infinity between 0 and 1.

5.ActionScript 3 libraries for interactive visualizations on the web
http://flare.prefuse.org/
剛(10.22.2007)發布的數據可視化工具包，目前alpha版，不過有不少亮點了，很有希望。

6.Dependency injection / Inversion of control container for ActionScript 3, Flash 9, and Flex 2
http://code.google.com/p/di-as3/

7.as3ds
http://code.google.com/p/as3ds/
AS3 Data Structures For Game Developers

以前記得這個好像是收費的，現在看起來沒限制的使用了。

8.Pulse粒子系統

作者對該系統的介紹：
http://www.rogue-development.com/pulseParticles.html

Google code:
http://code.google.com/p/pulse-particle/

演示地址：
http://rogue-development.com/pulse/explorer/

9.AS3 GIF Player Class
http://www.bytearray.org/?p=95
GoogleCode:
http://code.google.com/p/as3gif/

10.AS3的物理引擎(ActionScript 3 Physics Engines)
http://henryjones.us/articles/actionscript-3-physics-engines

11. 數據可視化類庫Prefuse
http://flare.prefuse.org/
the flare visualization toolkit:ActionScript 3 libraries for interactive visualizations on the web.

12.文檔解析類庫：vanrijkom-flashlibs
http://code.google.com/p/vanrijkom-flashlibs/

其中最有用的可能是地圖文件和3D文件的解析類庫了！

13.MinimalComps: Minimal AS3 UI Component Set
http://www.bit-101.com/blog/?p=1126

14.GoogleMap Flash Interface
http://code.google.com/p/google-maps-flash-interface/
可惜的是written in ActionScript 2，不過應該有借鑒意義。

15.ScaleBitmap : 9-slice bitmap class
http://www.bytearray.org/?p=118
一個縮放位圖的類，很有用！

16.開源AS3即時通訊類庫XIFF
http://www.igniterealtime.org/projects/xiff/

17.另一粒子系統Flint Particle system
http://flintparticles.org/

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AS33D項目

1. PV3D

雖然該項目發布不長時間，但是它已經名聲遠揚了，遺憾的是這段時間它的官方博客不能訪問了，只能訪問它其他網站：
Google code
http://code.google.com/p/papervision3d/
Wiki
http://wiki.papervision3d.org/
John Grden
http://www.rockonflash.com/blog/

2. away3D:

官方網站：
http://www.away3d.com/

google code:
http://code.google.com/p/away3d/

同pv3d一樣，是基于actionscript 3的flash3D引擎：
Away3D is a realtime 3d engine for flash in actionscript 3, originally derived from Papervision3D

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與JS相關類庫

1.SWFAddress
http://www.asual.com/swfaddress/
項目地址：
http://sourceforge.net/projects/swfaddress

SWFAddress is a small, but powerful library that provides deep linking for Flash and Ajax. It's a developer tool, allowing creation of unique virtual URLs that can point to a website section or an application state. SWFAddress enables a number of important capabilities which are missing in today's rich web technologies

該類庫解決了swf的難題，深度鏈接，也是flex3的一個重要特色，值得關注！

2. 不可不提的swfobject
http://code.google.com/p/swfobject/
SWFObject is an easy-to-use and standards-friendly method to embed Flash content, which utilizes one small JavaScript file

3.HTMLWrapper
http://code.google.com/p/htmlwrapper
Motion & Color Inc. today open-sourced a public beta version of
Wrapper, formerly used for closed-sourced projects. Wrapper is a
cross-browser compliant HTML/CSS rendering engine written in
ActionScript that sits on top of your standards compliant HTML page.
Wrapper eliminates cross-browser issues and makes integrating
ActionScript and HTML/CSS projects possible without needing to
compile. Wrapper will be available free from

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企業級組件庫

1.YahooFlex/Flash組件ASTRA Galore

ASTRA Galore: New Flash and Flex Components
http://www.yswfblog.com/blog/2008/01/30/astra-galore-new-flash-and-flex-components/
官方的話是這么說的：
Our ASTRA library of components has just been updated with three new Flash components and seven (yeah, we are serious about this) new Flex components, as well as some important updates to the existing ones.

Yahoo，真棒！

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ROR與Flex相關類庫

1.The Ruby on Rails RIA SDK by Adobe
http://code.google.com/p/rubyonrails-ria-sdk-by-adobe/

2. as3Stomp - Project site and source code
http://flexonrails.net/?p=99
該項目在Googlecode地址：
as3-stomp
This library is an actionscript 3 implementation of the Stomp protocol. It enables communication between Flash or Flex and any Stomp broker.

It has been primarily designed to work with Apache ActiveMQ.
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測試類庫

1. 使用FlexUnit
http://www.adobe.com/devnet/flex/articles/unit_testing.html
http://code.google.com/p/as3flexunitlib/

2. 可視化Flex單元測試框架visualflexunit：
Announcing Visual FlexUnit - A Visual Testing Extension for FlexUnit

該項目的home page在google code。
作者Douglas McCarroll與合作公司Allurent共同建立了這個項目，并開源供大家使用。
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開源FlexMap組件
1. uMap
homepage:
http://www.afcomponents.com/components/umap_as3/
demos:
http://ccgi.arutherford.plus.com/website/flex/UMap/UMapFlexDemo/
mouseover to triangle to show picture:
http://ccgi.arutherford.plus.com/website/flex/modestmaps/sampleCCTV/

2.modesMap
homepage:
http://modestmaps.com/
demos:
http://modestmaps.com/example.html
http://modestmaps.com/tutorial-actransit/actransit.html

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Flex框架類庫

1、針對Cairngorm的擴展框架：Flexcairngoam

http://code.google.com/p/flexcairngorm/

Adobe官方的cairngorm框架早就被人們詬病，這次這個非官方的補充，看來是個容易讓人接受的框架了！