Streamripper
StreamRipper32
FreeStreamRipper Records Streaming MP3s Efficiently
Windows
StreamripperX
FreeRecord streaming MP3 audio from Shoutcast, Icecast, and other Internet radio systems.
Mac
Streamripper for Linux
FreeRecords shoutcast compatible streams on your Linux system.
LinuxStreamripper for Winamp 2 and 5
FreeStreamripper: Download Streaming Music Directly to Your Drive
Windows