x11-apps binary package in Ubuntu Bionic amd64

 This package provides a miscellaneous assortment of X applications
 that ship with the X Window System, including:
  - atobm, bitmap, and bmtoa, tools for manipulating bitmap images;
  - ico, a demo program animating polyhedrons;
  - oclock and xclock, graphical clocks;
  - rendercheck, a program to test render extension implementations;
  - transset, a tool to set opacity property on a window;
  - xbiff, a tool which tells you when you have new email;
  - xcalc, a scientific calculator desktop accessory;
  - xclipboard, a tool to manage cut-and-pasted text selections;
  - xconsole, which monitors system console messages;
  - xcursorgen, a tool for creating X cursor files from PNGs;
  - xditview, a viewer for ditroff output;
  - xedit, a simple text editor for X;
  - xeyes, a demo program in which a pair of eyes track the pointer;
  - xgc, a graphics demo;
  - xload, a monitor for the system load average;
  - xlogo, a demo program that displays the X logo;
  - xmag, which magnifies parts of the X screen;
  - xman, a manual page browser;
  - xmore, a text pager;
  - xwd, a utility for taking window dumps ("screenshots") of the X session;
  - xwud, a viewer for window dumps created by xwd;
  - Xmark, x11perf, and x11perfcomp, tools for benchmarking graphical
    operations under the X Window System;
 .
 The xbiff, xcalc, xconsole, xedit and xman programs use bitmap images
 provided by the xbitmaps package.

Source package