suckless-tools binary package in Ubuntu Bionic amd64

 This package provides simple commands designed to be used with a minimalistic
 window manager like dwm but they can be useful in scripts regardless of the
 window manager used.
 .
  * dmenu: Dynamic menu is a generic menu for X.
  * lsw: Lists the titles of all running X windows to stdout, similar to ls(1).
  * slock: Simple X display locker that locks the X session.
  * sprop: Sets or gets X window properties.
  * sselp: Simple X selection printer that prints the X selection to stdout.
  * ssid: Simple setsid replacement.
  * swarp: Simple X warping tool to warp the mouse pointer to a given position.
  * tabbed: Simple generic tabbed fronted to xembed aware applications.
  * wmname: Prints/sets the window manager name property of the root
    window similar to how hostname(1) behaves.
  * xssstate: Retrieves the state of X screensaver.

Source package