20 Flash Resources and Tools You'll Want

Weber Design Labs has a very current list of 20 Flash Resources and Tools You'll Want

1. TweenLite - The fastest tweening engine available - see this test. Only 3K in size and is available for AS3 and AS2. For filters see the TweenFilterLite engine.
   
2. Papervision3D - A 3D engine for displaying simple elements from cubes to complex models and interactive materials. The most popular 3D engine available for Flash. Still in beta, but used a lot already in the commercial industry.
   
3. Away3D - Another 3D engine for Flash. This one is less popular, but has production ready code, regular code releases and is based on Papervision. See this demo and be amazed.
   
4. WOW Engine - AS3 3D Physics Engine. Great for use with Papervision3D or Away3D.
   
5. FIVe3D - 3D Animation engine in AS2 and AS3.
   
6. Ribbit - An amazing technology that lets Flash call a phone and use the microphone on your computer. Enables Flash pieces to receive phone calls. Visual voice mail, with speech to text capabilities. Very easy component-based implementation.
   
7. WiiFlash - Takes the revolutionary Wii controller and takes it to Flash. Using WiiFlash you can create entirely new and very fun experiences for users.
   
8. APE (Actionscript Physics Engine) - The biggest physics engine available for Flash. Its fantastic for 2D animations, but beyond that it needs more.
   
9. AMFPHP - Want to get data from your database into Flash? Well this is the one I would recommend. It uses very easy PHP gateway architecture. Also very fast and easy to test services.
   
10. Flickr Library - Want to get at the very popular and fun to use Flickr service? Use this to make it easier on yourself.
    
11. RSS Library - Love those RSS feeds? Want to bring them in your code and rip them apart? Use this to really handle those RSS feeds. Even though its a standard format there are a lot of little details to them.
    
12. YouTube - Everyone loves youtube. Everyone wants to take video and present it in a unique and useful way, so make your own fun interface with it and use this to make it easier for ya.
    
13. FZip - It used to be hard to make those zip files. Used to have to use a server-side script to help you out, but now just use this library and your good to go.
    
14. AS3SoundEditorLib - Application displays a spectrum of the mp3 file, displays cue points from a file, and allows navigation and playback of mp3 and navigation between cue points.
    
15. Facebook-AS3 - Implementation of Facebook’s REST API in Actionscript 3.
    
16. AS3Crypto - A cryptography library written in Actionscript 3 that provides several common algorithms.
    
17. AlivePDF - AlivePDF is an open-source ActionScript 3 (Flash, Flex, AIR) PDF generation library.
    It allows you to generate PDF’s client-side.
    
18. ASSQL - Get actionscript to talk directly to MySQL.
    
19. Yahoo! Maps Communication Kit - The Maps API allows incorporation of GeoRSS feeds, custom marker creation, and many other features.
    
20. AS3CoreLib - The corelib project is an ActionScript 3 Library that contains a number of classes and utilities for working with ActionScript 3. These include classes for MD5 and SHA 1 hashing, Image encoders, and JSON serialization as well as general String, Number and Date APIs.