qtile docs can be found here
Info on running qtile as the wm for Gnome can be found here. It should be possible to do something similar with mate...
$ sudo apt-get install libpangocairo-1.0-0 libxcb-render0-dev libffi-dev
$ sudo python3 -m pip install xcffib cairocfii qtile$ cp misc/qtile.desktop /usr/share/xsessions/