oggenc:
Michael Smith <msmith@xiph.org>

oggdec:
Michael Smith <msmith@xiph.org>

ogg123:
Kenneth Arnold <kcarnold-xiph@arnoldnet.net>
Stan Seibert <volsung@xiph.org>
Segher Boessenkool <segher@xiph.org>

ogginfo:
Michael Smith <msmith@xiph.org>

vcut:
Michael Smith <msmith@xiph.org>

vorbiscomment:
Michael Smith <msmith@xiph.org>

and the rest of the Xiph.Org Foundation.