This package contains some tools for Ogg Vorbis:

oggenc (an encoder) and ogg123 (a playback tool). It also has vorbiscomment (to
add comments to Vorbis files), ogginfo (to give all useful information about an
Ogg file, including streams in it), oggdec (a simple command line decoder), and
vcut (which allows you to cut up Vorbis files).