Catwm is a small, light weight window manager created by pyknite. It was first announced in this (http://bbs.archlinux.org/viewtopic.php?id=100215) forum post.
This requires git.
First, download the PKGBUILD from http://aur.archlinux.org/packages.php?ID=38579. Then, as a non-root user, run:
while in the directory of the saved PKGBUILD. All the files will be retrieved and the package will be built. Then run:
# pacman -U catwm*.pkg.xz
to install the package.
If for some reason method one fails, try this one. Visit the official github page (http://github.com/pyknite/catwm) and download each file.
Before you compile catwm, you may want to skip to the config section to configure it.
Then, while in the directory as the downloaded files, run the following as a non-root user:
Then, run the following as root:
# make install