Scrot saves a screenshot of a full screen, a window or a part of the screen selected by mouse.

GNU Xnee is a program that can record, replay and distribute user actions in X11. It can be used to automate user interactions for testing or demonstration purposes.

Rxvt-unicode (urxvt) is a colour vt102 terminal emulator intended as an xterm replacement for users who do not require features such as Tektronix 4014 emulation and toolkit-style configurability. It supports unicode, XFT and may be extended with Perl plugins. It also comes with a client/daemon pair that lets you open any number of terminal windows from within a single process.

Libfakekey is a virtual keyboard library for X.

xwhite is a command line tool for adjusting the colour balance of screen. It is based on xrandr's gamma correction and brightness adjustment. As such, it can only be used for X displays and not Wayland displays. It is typically used for tuning the color balance and color temperature. It has a similar function as redshift -P -g R:G:B -O temperature, but xwhite is more flexible in that it does not keep the white color fixed, suitable for setting the white color to an arbitrary balanced color.

Unclutter is a program which runs permanently in the background of an X11 session. It checks on the X11 pointer (cursor) position every few seconds, and when it finds it has not moved (and no buttons are pressed on the mouse, and the cursor is not in the root window) it creates a small sub-window as a child of the window the cursor is in. The new window installs a cursor of size 1x1 but a mask of all 0, i.e. an invisible cursor. This allows you to see all the text in an xterm or xedit, for example. The human factors crowd would agree it should make things less distracting.

XForms is a graphical user interface toolkit for X based on the X11 Xlib library. It allows you to create windows, containing all kinds of widgets (buttons, sliders, browsers, menus etc.) with a few lines of code and then attach actions to the widgets, i.e., have some function called when a button is pressed. To make this even easier XForms comes with a program called fdesign that allows you to design a GUI for a program directly on the screen and which then writes out the necessary C code for it.

Wlsunset adjusts gamma based on day-night cycles on Wayland compositors that support wlr-gamma-control-unstable-v1. It is also known as a blue light filter or night light.

xsettingsd is a lightweight daemon that provides settings to Xorg applications via the XSETTINGS specification. It is used for defining font and theme settings when a complete desktop environment (GNOME, KDE) is not running. With a simple .xsettingsd configuration file one can avoid configuring visual settings in different UI toolkits separately.

sct is a lightweight utility to set the color temperature of the screen.

Gammastep automatically adjusts the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.

This package provides a library for programmatically controlling Xorg windows using Python. The library relies on the wmctrl to do so.

Xclip is a command line interface to the X11 clipboard. It can also be used for copying files, as an alternative to sftp/scp, thus avoiding password prompts when X11 forwarding has already been setup.

The x-resize command detects physical display resolution changes via udev and invokes the xrandr command to reconfigure the active display resolution accordingly. It can be used to implement dynamic resize support for desktop environments that lack native support such as Xfce.

Xdotool lets you simulate keyboard input and mouse activity, move and resize windows, etc. It does this using X11's XTEST extension and other Xlib functions. Additionally, you can search for windows and move, resize, hide, and modify window properties like the title. If your window manager supports it, you can use xdotool to switch desktops, move windows between desktops, and change the number of desktops.

XSel is a command-line program for getting and setting the contents of the X selection and/or clipboard. Normally this is only accessible by manually highlighting information and pasting it with the middle mouse button.

XSel reads from standard input and writes to standard output by default, but can also follow a growing file, display contents, delete entries and more.

wl-color-picker is a script that provides color picker for Wayland and wlroots by leveraging grim and slurp.

Xwrits reminds you to take wrist breaks for prevention or management of repetitive stress injuries. When you should take a break, it pops up an X window, the warning window. You click on the warning window, then take a break. The window changes appearance while you take the break. It changes again when your break is over. Then you just resume typing. Xwrits hides itself until you should take another break.

XOSD provides a C library and a simple utility (osd_cat) for displaying transparent text on your screen.

The xf86-input-wacom driver is the wacom-specific X11 input driver for the X.Org X Server version 1.7 and later (X11R7.5 or later).

Wl-clipboard is a set of command-line copy/paste utilities for Wayland.

Aquamarine is a C++-only Linux rendering backend library. It provides basic abstractions for an application to render on a Wayland session (in a window) or a native DRM session. It is agnostic of the rendering API (Vulkan / OpenGL).

dex, DesktopEntry Execution, is a program to generate and execute .desktop files of the Application type. It is also an autostarter compliant with the XDG autostart specification.

Autorandr wraps around xrandr to help with X11 multi-screen configuration management. It allows the user to create profiles for various multi-screen setups. Autorandr automatically detects the profiles that can be activated based on the connected hardware. Hook scripts can be used to further tweak the behaviour of the different profiles.