"A full-featured, hackable tiling window manager written and configured in Python" - Qtile Website
Ranked in these QuestionsQuestion Ranking
Pro Free and open-source software.
It's distributed under the permissive MIT license.
Pro Active and growing community
There's always someone to lend a hand when you need help.
Pro Written and configured entirely in Python.
You can leverage the full power and flexibility of the language to make it fit your needs.
It's easy to write your own layouts, widgets, and built-in commands.
Con Doesn't handle errors well
As Qtile uses python, it crashes upon errors instead of handling it gracefully ( like in awesomwm).