Actionscript3Commons

as3-utils

reusable package-level functions that solve common problems

flexunit

Open source repository for FlexUnit project for Actionscript 3 and Flex projects.

asx

Extensions for core ActionScript Objects

fcss

Flash Cascading StyleSheet Library

restfulx_framework

The RESTful way to develop Adobe Flex and AIR applications.

as3swf

Low level Actionscript 3 library to parse, create, modify and publish SWF files.

swiz-framework

Swiz framework for AS3 and Flex

actionscript3-tmbundle

ActionScript 3 TextMate Bundle

as3

as3geometry

An ActionScript 3 Geometry Library

asunit

The only ActionScript unit test framework that supports Flash Players 6, 7, 8, 9 and 10

project-sprouts

Project Sprouts is an open-source, cross-platform project generation and configuration tool for ActionScript 2, ActionScript 3, Adobe AIR Flash and Flex projects

reflex

Complete RIA component framework

SmartyPants-IOC

Dependency Injection for Adobe Flex and Flash

SwiftSuspenders

Basic metadata-based IOC solution for AS3

airdb

ActionScript AIR ORM for using client-side SQLite within AIR and Flex apps. Supports ActiveRecord style models, migrations and associations.

as3-gestures

A base gestures library for AS3.

DestroyFramework

a framework of useful Actionscript classes

flixel

flixel is a free Actionscript (Flash) library that I distilled from a variety of Flash games that I've worked on over the last couple years, including Gravity Hook, Fathom and Canabalt. It's primary function is to provide some useful base classes that you can extend to make your own game objects.

hamcrest-as3

Port of hamcrest to ActionScript 3, a library of matcher objects (also known as constraints or predicates) allowing 'match' rules to be defined declaratively, to be used in other frameworks. Typical scenarios include testing frameworks, mocking libraries and UI validation rules.

openpyro

An open source framework for ActionScript3 based applications

robotlegs-framework

A DI driven MVCS framework for Flex and Flash

Simple-Game-Framework

An open source simple game framework that I use for my own games.

SkinnableMinimalComponents

A skinnable version of the AS3 Minimal Components

stats.as

Actionscript Performance Monitor

as3corelib

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.

fzip

FZip is an Actionscript 3 class library to load, modify and create standard ZIP archives.

JSONTools

JSONTools is an ActionScript3 library that goes beyond providing a decoding and encoding engine. JSONTools provides JSON errors on bad property calls, the speed of the JSWoof JSON library, and E4X style queries dubbed E4J, JSONList and JSONListCollection classes for Flex, as well as some features that are coming in upcoming releases.

tinytlf

A tiny, versatile, AS3 text layout framework built on top of the Flash Text Engine for Flash and Flex applications.

TwitterAspirin

An AS3 Twitter API painkiller