artman/Flow: A Flash layout, effects, data binding, remoting framework designed to be used instead of Flex when performance is essential and download size should be minimal. Licensed under MIT

Flash UI framework

A GUI framework built on top of ActionScript, providing a set of pre-built UI components and tools for creating user interfaces in Flash applications.

apache/flex-tlf27

ActionScript TLF

A source mirror of Apache Flex's Text Layout Framework (TLF) project, providing a stable and maintained version of the ActionScript implementation.

useflashpunk/flashpunk392

Game Engine

A lightweight framework for developing 2D Flash games with a focus on simplicity and ease of use.

foo123/as3-transitions-lib13

Presentation framework

A generic slideshow framework for Flash-based presentations

theturtle32/flash-animated-gif-library57

GIF player

Library that efficiently decodes and plays animated GIFs in Flash

antonmi/alf198

Application framework

A framework for building modular, sequential application logic using flow-based programming principles

magicalhobo/swfwire253

Flash dev tools

Tools and libraries for developing Flash applications

flexport/latitude20

Design framework

A design system for building intuitive and consistent user experiences.

robotlegs/robotlegs-framework967

App framework

An application framework providing dependency injection and module management for ActionScript 3 applications in Flash and Flex.

antonthedev/flightanimator582

Animation framework

A framework that allows for simple and flexible animation definition using a blocks-based syntax, enabling dynamic creation, configuration, grouping, and caching of property animations.