AsDoclet can be used to generate Actionscript and C# files out of Java sources. Such a tool is useful for RIA and client/server applications where value objects are transmitted between server and client as serialized data that should be deserializable on both ends again. That includes remoting technologies like Flash Remoting, RTMP, Blaze DS, Red5, and Hessian.
The PushButton Engine is a Flash game engine and framework that's designed for a new generation of games. It makes it easy to bring together great existing libraries and components for building Flash games and makes it possible to spend less time on code and more time on building fun games.
DooPHP is a very fast PHP framework. It enables developers at all levels to rapidly develop robust Web 2.0 applications. It is quite feature rich. DooPHP supports some common stuff found in a Web framework, such as an MVC-base structure, RESTful APIS, a REST client, URI routing, database ORM tools, a model generator, HTTP Digest Authentication, a flexbible compiling template engine, logging and profiling tools, and more.
Flixn Media Platform is a collection of Flash-based tools and backend utilities to facilitate the generation of rich Web media, and video in particular. It features components to enable recording from a webcam and/or microphone, uploading and transcoding of video, and feature-rich playback. The platform was designed for mass/virtual deployment.
AS3WavSound allows you to embed wav files into your project compiled with the open source Flash SDK compiler. Normally this is not possible and circumvented either by: using a licensed expensive editor that does this for you, or by the very ugly .swf workaround. This library does it natively and cleanly.
ABPlayer is a video player developed with the Flex 3/4 SDK. It allows users to post comments onto the playing timeline while playing online video. Comments are scrolled across the screen when the video reaches the timeline position of the comment, allowing interactive and realtime commenting on the video. It also features bottom, top, positioned, and reverse scroll options which allow users to create closed captioning and subtitles for videos. Comments support color, font, size, transitions, movements, 3D transforms, and opacity.