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A library for writing an X11 tiling window manager
...Penrose was born out of my failed attempts to refactor the dwm codebase into something that I could more easily understand and hack on. While I very much admire and aim for minimalism in code, I personally feel that it becomes a problem when your code base starts playing code golf to keep things short for the sake of it.
A healthy, bite-sized window manager written in C over the XLib library. Controlled via a powerful command-line client, allowing users to control windows via a hotkey daemon such as sxhkd or expand functionality via shell scripts.