There is an old ubuntu package for gfontview http://packages.ubuntu.com/dapper/gfontview
Type: Posts; User: jken146; Keyword(s):
There is an old ubuntu package for gfontview http://packages.ubuntu.com/dapper/gfontview
fontmatrix looks like a possibility
suggested alternatives: http://ubuntuforums.org/showthread.php?t=666919
What happens when you issue
gnome-font-viewer without any arguments?