Streamripper records MP3, Ogg, AAC, and NSV audio and video files from Shoutcast and Icecast compatible streams. The streams can be recorded as a whole or in individual tracks. Streamripper also features a relay stream, which lets you listen or watch live from multiple clients while recording.
Audacity is a cross-platform multitrack audio editor. It allows you to record sounds directly or to import Ogg, WAV, AIFF, AU, IRCAM, or MP3 files. It features a few simple effects, all of the editing features you should need, and unlimited undo. The audio I/O uses PortAudio, which fully supports OSS, Mac OS X CoreAudio, and Windows WMME, and can be compiled with support for ALSA and Jack.
The Java Media Framework (JMF) is an API for incorporating audio, video, and other time-based media into Java applications and applets. It is an optional package that extends the multimedia capabilities on the Java2 platform. The Blackdown JMF is a Performace Pack which includes native code in order to provide faster processing and tighter integration with Linux than the all-Java version.
MP3do is an "all in one" bash script. It is useful for decoding and mastering audio files. It can decode a list of MP3 or Ogg Vorbis files to WAV or CD-R, auto-convert poor quality MP3s to 44100Hz stereo, check whether all files fit on a CD, normalize all WAV files (adjust the volume to a standard volume level), and burn a CD.
rmp3 is a receiver for the rmp3 broadcast protocol. This protocol uses teletext data transmitted in the VBI (vertical blanking interval) of TV transmissions to broadcast MP3 files. It is compatible with RadioMP3 and the German MegaRadio. You can listen to the audio stream, save the received files, or both.
StreamBOX-LiveCD is a KNOPPIX-based boot CD which is specially designed to stream MP3s. It also includes some programs to stream in the Ogg Vorbis format, to cut audio, to view video and video streams, and to perform other similar tasks. It is intended to be used at smaller radio stations.