SoundAS
A modern lightweight sound manager for AS3
...It includes built-in support for seamless looping, volume fading, tweening, and grouping of sounds, making it highly useful for game development and multimedia projects. SoundAS also offers a modular structure, enabling developers to use individual SoundInstance objects directly without needing the full system. With a permissive license and active examples, it is designed to be straightforward, flexible, and powerful for managing audio in ActionScript projects.