The 4.4.8 version of SonicSwap for Mac was available as a free download on our website. The program is included in Audio & Video Tools. This free Mac application was originally created by SonicSwap.
From the developer:
Sign up for a free account, and in seconds, SonicSwap uploads and stores all your iTunes playlists, so you can share them with friends and listen to them anywhere. By analyzing your favorite artists and tracks in iTunes, we can deliver a music experience perfectly matched to your tastes. We find you new artists and tracks you will like based on the music you love. We provide you the best music video site available on the Internet.
You may want to check out more software for Mac, such as PlayPod, Deezer Radio Player or ffmpeg, which might be related to SonicSwap.