Binary package “libmetacity-dev” in ubuntu-rtm 14.09-factory
development files for the Metacity window manager
Metacity is a small window manager, using GTK+ to do everything.
.
As the author says, metacity is a "Boring window manager for the adult in
you. Many window managers are like Marshmallow Froot Loops; Metacity is
like Cheerios."
.
This package contains the development files.