Flex APIs，类库，组件等。

Adobe Flex cookbook beta
http://www.tiny.cc/VbU44

 AnimatedGIfLoader Flex Component
Allows you to load animated gif files into your Flex applications
http://dougmccune.com/blog/animatedgifloader-flex-component/

Asdia
Provides an easy way to integrate flowcharts, uml or any other diagrams in flash tools.
http://code.google.com/p/asdia/

as3flexunitlib
ActionScript 3.0 framework for unit testing.
http://code.google.com/p/as3flexunitlib/

AsWing A3
Allows programmers to make their flash application(or RIA) UI easily
http://www.aswing.org/

Cairngorm
http://labs.adobe.com/wiki/index.php/Cairngorm

DisplayShelf Component
Provides a rich, templatable control to display a faux-3d view of a list of items
http://www.quietlyscheming.com/blog/components/tutorial-displayshelf-component/

flex2treemap
Treemap Component for Adobe Flex 2
http://code.google.com/p/flex2treemap/

flex4filemaker
Flex4FileMaker is an Adobe Flex 2 FileMaker API modeled after the FileMaker PHP library.
http://code.google.com/p/flex4filemaker/

FlexBook
Flex flip book component. Supports transparantcy.
http://www.quietlyscheming.com/blog/components/flexbook/

flexbox
Directory of Flex Components
http://flexbox.mrinalwadhwa.com/

flexcalendar
Flex Calendar Components
http://code.google.com/p/flexcalendar/

flexedtoolkit
Flexed Toolkit
http://code.google.com/p/flexedtoolkit/

FlexLib
community effort to create open source user interface components for Adobe Flex 2.
http://code.google.com/p/flexlib/

flexservicelocator
ServiceLocator for flex to use web service
http://code.google.com/p/flexservicelocator/

flextube
FlexTube is an flex UI front end for youtube
http://code.google.com/p/flextube/

Flex 2 Basic Email Form
Cut and dry example using an HTTP Service to send an email in Adobe Flex 2 via a simple PHP email script.
http://augiemarcello.com/flex-2-basic-email-form/

Flex 2 Debug Component
http://www.mikenimer.com/index.cfm/2006/7/5/FlexDebugPanel

Flex 2 Primitive Explorer
http://www.3gcomm.fr/Flex/PrimitiveExplorer/Flex2PrimitiveExplorer.html

Flex Developers Journal
The first and only independent magazine serving Adobe Flex developers worldwide.
http://flex.sys-con.com/

Flex Style Explorer
http://examples.adobe.com/flex2/consulting/styleexplorer/Flex2StyleExplorer.html

Fluorine
FLUORINE is an open source .NET Flash Remoting Gateway.
http://fluorine.thesilentgroup.com

Free Visual Reflection Component for Flex 2
http://blog.benstucki.net/?id=20

Granite Data Services
Free, open source (LGPL’d), alternative to Adobe® Flex 2 Data Services for J2EE application servers.
http://www.graniteds.org/confluence/display/INTRO/Granite+Data+Services

JAM - Just ActionScript and MXML
http://www.onflex.org/code/

Live “reflection� component
http://www.rictus.com/muchado/2006/07/05/live-reflection-component/

osflash-xray
Open Source Flash Debugger for AS2/AS3/Flex1.5/Flex2
http://code.google.com/p/osflash-xray/

scale nine
themes for flex and apollo/AIR
http://www.scalenine.com/

SpringGraph
Adobe Flex 2.0 component that displays a set of items that are linked to each other.
http://mark-shepherd.com/blog/springgraph-flex-component/

The Flex Show
Jeffry Houser and Ryan Stewart’s Poscast covering Flex related topics.
http://www.theflexshow.com/blog

The ServeBox Foundry
Based on several design patterns, and includes tools built to resolve some of the recurrent Flex 2 development challenges.
http://sourceforge.net/projects/sbasfoundry

Yahoo Astra Components
Tree, Menu, TabBar, AutoComplete, and Charts
http://developer.yahoo.com/flash/astra-flash

Yahoo! Maps Web Services - Flexâ„¢ API
http://developer.yahoo.com/maps/flash/flexGettingStarted.html

ZoomFrame
http://www.zeuslabs.us/2007/08/14/open-source-flex-component-zoomframe/

tourdeflex

http://www.adobe.com/devnet-archive/flex/tourdeflex/web/#sampleId=14110;illustIndex=0;docIndex=0

fleksray

http://fleksray.org/adobe_flex_components_en.html#Visual%20Graph

birdeye , a powerfal flex compoent opensource

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

a color picker

http://colorschemedesigner.com/

a html5 ui base on jquery

http://www.infragistics.com