wv2ogg is a bash command line script that encodes wavpack files to Ogg Vorbis files. While doing so, it can also transfer all tags and replaygain information from the wavpack files to the Ogg Vorbis files.
mpg321 is a completely Free drop-in replacement for mpg123. It has been designed to work as a drop-in replacement for mpg123, for the use of front ends, shell scripts, etc. It does all mp3 decoding using the high-quality integer-only MAD library.