lwm is a window manager for learning purposes. It shares some functionality wiht suckless's dwm.
Building lwm requires X11 and make
$ git clone git@github.com:liviuq/lwm.git
$ cd lwm
$ make {debug, release}
To debug, you need Xephyr.
$ Xephyr -br -ac -noreset -screen 1280x720 :2 &
$ DISPLAY=:2 gdb lwm