Adobe Lab
http://labs.adobe.com/wiki/index.php/ActionScript_3:resources:apis:libraries
http://labs.adobe.com/wiki/index.php/Cairngorm
http://labs.adobe.com/wiki/index.php/Flex_Ant_Tasks
http://labs.adobe.com/wiki/index.php/Flex_Component_Kit_for_Flash_CS3
http://labs.adobe.com/wiki/index.php/Flex_Scheduling_Framework
http://labs.adobe.com/wiki/index.php/Flex_Stress_Testing_Framework
http://labs.adobe.com/wiki/index.php/Flex_Module_for_Apache_and_IIS
http://labs.adobe.com/wiki/index.php/Flex-Ajax_Bridge
http://labs.adobe.com/wiki/index.php/NoteTag (Kiwi Component Libraries)
http://labs.adobe.com/wiki/index.php/Flex_Compiler_Shell
http://labs.adobe.com/wiki/index.php/Flex_2_Tag_Library_for_JSP
http://labs.adobe.com/wiki/index.php/Flash_Lite_for_BREW_Publisher_for_Flash_CS3_Pro
http://labs.adobe.com/wiki/index.php/Ajax_Data_Services

Official ActionScript 3 libraries
http://code.google.com/p/as3corelib/
http://code.google.com/p/as3flexunitlib/
http://code.google.com/p/as3flickrlib/
http://code.google.com/p/as3mapprlib/
http://code.google.com/p/as3syndicationlib/
http://code.google.com/p/as3odeolib/
http://code.google.com/p/as3youtubelib/

Official Adobe flexlib
Open Source Flex 2 Component Library
http://code.google.com/p/flexlib/

Official Yahoo! AS3 API Libraries
# Yahoo! Answers AS3 API
# Yahoo! Weather AS3 API
# Yahoo! Search AS3 API
# Yahoo! Upcoming.org AS3 API
# Yahoo! Maps AS3 Communication Kit
http://developer.yahoo.com/flash/as3_api_libraries.html

Actionscript 3 RPC libraries for flash-remoting(amf0), xml-rpc, json-rpc
http://code.google.com/p/as3-rpclib/

Artemis apollo/flex/flash
http://artemis.effectiveui.com/

ascensionplayer
Apollo Based MP3 Player
Ascension is an Apollo based application that allows users to explore their music via multiple mediums (including images, information, lyrics, etc…)
http://code.google.com/p/ascensionplayer/

Flickrin 2.0 Flex-Apollo-Flickr mashup
http://www.ashwineedash.com/

twittercamp.zip
http://www.danieldura.com/code/twittercamp/
TwitterCamp is a desktop application that allows you to monitor tweets from your friends using the popular Twitter service.

Zeus Labs
* Particle Systems
* TreeMap Component
* FlashDevelop Plugins
* Instant Messenger
* IFBIN Examples
http://www.zeuslabs.us/downloads/

IFBIN Open Source Examples
http://www.ifbin.com/
http://www.ifbin.com/news/2006/08/ifbin-20-begins-ifbin-is-open-and-free.html

Cairngorm vs. #####
http://www.dgrigg.com/post.cfm/04/12/2007/Cairngorm-Commands-Views-and-Harikiri

Flex/Flash Integration Kit
http://www.onflex.org/ted/2007/04/fitc-keynote-flexflash-integration-kit.php
Supported:
1. Create Flex Components using Flash CS3.
2. Create custom controls and containers. (Yes containers!)
3. Leverage timeline animation for State transitions.
4. Integration with Flex component sizing and layout.
5. Seamless Event integration using MXML.
6. All features are 100% MXML compatible methods, properties, events, and bindings.
7. Seamless workflow for component creation from Flash CS3.

Source for Browser Apollo App
http://blog.3r1c.net/?p=64
http://blog.3r1c.net/?p=68

Apollo Browser in five lines of code
http://www.feed-squirrel.com/index.cfm?evt=viewItem&ID=46452
http://blog.everythingflex.com/2006/10/25/apollo-browser/

Granite Data Services (Open source version of FDS)
http://www.graniteds.org/confluence/display/INTRO/Granite+Data+Services+Overview

Flex SQLAdmin Now Open Source (derby award)
http://sourceforge.net/projects/flexsqladmin/

http://www.flex2ant.org/