MP3box - Are you fond of music and want to improve your online music listening experience?
Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.
SciLor's Grooveshark Downloader - SciLor's grooveshark(tm).com Downloader, a tool that allows you to download any song you like directly from the excelent grooveshark(tm) online music service.
Loopback by RogueAmoeba - Get all the power of a high-end studio mixing board, right inside your Mac!
Mp3Bear - Mp3Bear is an Mp3 music search engine that locates the mp3 files all over the net.
JACK Audio Connection Kit - JACK Audio Connection Kit|Home