BeatPack is a free MacOS X/Windows tool which enables you to share your audio material with BeatMaker and create compatible sound kits easily.
BeatPack is an application which permits to share files between BeatMaker and your computer.
When launched, BeatPack loads a web server your BeatMaker will be able to connect to.
Under Windows, a warning message may pop-up the first time to ask you to allow or disallow BeatPack to launch the web server.