Package: gnome-panel

"gnome-panel" package binaries on CentOS:

/usr/bin/gnome-desktop-item-edit /usr/bin/gnome-panel

You may install this package on CentOS with yum install gnome-panel

"gnome-panel" package binaries on Debian:

/usr/bin/gnome-desktop-item-edit /usr/bin/gnome-panel /usr/bin/panel-test-applets

You may install this package on Debian with apt-get install gnome-panel