Validators

http://code.google.com/p/flash-validators/ - These libraries include sample code for performing basic data validation. The basic methods are then leveraged to validate more complex concepts such as zip codes, credit card numbers and URLs.

Class Explorer

Class Explorer

Degrafa

Flex Graphics Framework
http://www.degrafa.com/

Flex IFrame

Flex: IFrame Demo Update

JPGEncoder и PNGEncoder

JPGEncoder и PNGEncoder - сохранение изображения из AS
here

Flex DataGrid Paging Example with Source

Flex DataGrid Paging Example with Source: "Flex DataGrid Paging Example with Source "

Asynchronous calls explained

Asynchronous calls explained

Accordion Skining

Two articles about Accordion Skining in Flex
Andrew Trice
Kevin Hoyt: Programmatic Skinning with Flex 2

Flex Spell Checker Component

Flex Spell Checker Component

Flex 2 Filter Explorer

Flex 2 Filter Explorer

FlexBook Component

How To Create A FlexBook Component That Includes Content Pulled From A Database

CSS in Flex

FontManager

Несколько ссылок про стили.
Adobe - Flex Quick Start Basics: Skinning your components

Runtime CSS
Ted On Flex: Flex 2.0.1 - Understand Runtime CSS
Loading style sheets at run time -- Flex 2.01
The Kiwi Project: Loading Flex Skins at Runtime

Embedding HTML in a Flex application using an IFrame (Deitte.com)

Finally Updated: Embedding HTML in a Flex application using an IFrame (Deitte.com) Способ добавить HTML во Flex приложение. Использует ExternalInterface и IFrame

Еще одна статья про использование ExternalInterface
Vic on Flex: A closer Look at IFrames and ExternalInterface in Flex

dougmccune.com » Blog Archive » Updated MXNA RSS Reader Flex App - Now With Source

dougmccune.com » Updated MXNA RSS Reader Flex App - Now With Source
Another MXNA RSS Reader. Nice interface.
Demo