Away3D is a realtime 3d engine for flash in actionscript 3, originally derived from Papervision3D.
Tweener (caurina.transitions.Tweener) is a Class used to create tweenings and other transitions via ActionScript code for projects built on the Flash platform.
Sandy is an intuitive and user-friendly 3D open-source library developed in Actionscript 2.0 and now Actionscript 3.0 for Adobe Flash.
AsWing is an Open Source Flash ActionScript GUI framework and library that allows programmers to make their flash application(or RIA) UI easily. Its usage is similar to Java Swing. It provides a set of GUI components, which we intent to implement in pure object oriented ActionScript 2. A pluggable look and feel will be implemented too. It also provides many Util classes. AsWing is BSD licensed.
AsWing A3 is the next/another life with ActionScript 3, components set is almost same to ActionScript 2 time, but capabilities are much more powerful.
What is Papervision3D?
Papervision3D is an open source 3D engine for the Flash platform.
Apof es una aplicación financiera construida sobre Flex, Air y ActionScript. Permite a los usuarios controlar y compartir(según se desee) sus transacciones financieras.
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APE (Actionscript Physics Engine) es una librerÃa libre de código abierto escrita en AS3 para gestion de fuerzas de objetos 2D, en Flash y Flex. MIT License. APE est� implementado y mantenido por Alec Cove.
AlivePDF es una librerÃa de ActionScript 3 de código abierto para la creación de archivos PDF, utilizando Flash, Flex o AIR.
AlivePDF esta basado en FPDF