xlsclients is a utility for listing information about the client
applications running on a X11 server.

Version 1.1 and later of xlsclients use (and require) libxcb instead
of libX11, for more efficient communication with the X server.

All questions regarding this software should be directed at the
Xorg mailing list:

  https://lists.x.org/mailman/listinfo/xorg

The master development code repository can be found at:

  https://gitlab.freedesktop.org/xorg/app/xlsclients

Please submit bug reports and requests to merge patches there.

For patch submission instructions, see:

  https://www.x.org/wiki/Development/Documentation/SubmittingPatches