XEv creates a window and then asks the X server to send it X11 events whenever anything happens to the window (such as it being moved, resized, typed in, clicked in, etc.). You can also attach it to an existing window. It is useful for seeing what causes events to occur and to display the information that they contain; it is essentially a debugging and development tool, and should not be needed in normal usage.

SessReg is a simple program for managing utmp/wtmp entries for X sessions. It was originally written for use with xdm, but may also be used with other display managers such as gdm or kdm.

EGL-Wayland is an implementation of a EGL External Platform library to add client-side Wayland support to EGL on top of EGLDevice and EGLStream families of extensions.

Xorg schumacher-misc fonts.

xf86-video-tdfx is a 3Dfx video driver for the Xorg X server.

Imake is a deprecated source code configuration and build system which has traditionally been supplied by and used to build the X Window System in X11R6 and previous releases. As of the X Window System X11R7 release, the X Window system has switched to using GNU autotools as the primary build system, and the Imake system is now deprecated, and should not be used by new software projects. Software developers are encouraged to migrate software to the GNU autotools system.

libXfont provides the core of the legacy X11 font system, handling the index files (fonts.dir, fonts.alias, fonts.scale), the various font file formats, and rasterizing them. It is used by the X servers, the X Font Server (xfs), and some font utilities (bdftopcf for instance), but should not be used by normal X11 clients. X11 clients access fonts via either the new API's in libXft, or the legacy API's in libX11.

Xorg arabic-misc font.

xf86-input-mouse is a mouse input driver for the Xorg X server. This driver supports four classes of mice: serial, bus and PS/2 mice, and additional mouse types supported by specific operating systems, such as USB mice.

Xorg Cursor management library.

Damage Extension contains header files and documentation for the damage protocol.

Twm is a window manager for the X Window System. It provides titlebars, shaped windows, several forms of icon management, user-defined macro functions, click-to-type and pointer-driven keyboard focus, and user-specified key and pointer button bindings.

Xmu library contains miscellaneous utilities and is not part of the Xlib standard. It is intended to support clients in the Xorg distribution; vendors may choose not to distribute this library if they wish. Therefore, applications developers who depend on this library should be prepared to treat it as part of their software base when porting.

Library for the XFree86 Video Mode Extension Extension to the X11 protocol.

Virtual/offscreen frame buffer driver for the Xorg X server.

API for Xinerama extension to X11 protocol.

This package provides types which mirror the structures used in the XCB code generation XML files and parses these XML files into Haskell data structures.

This package provides Xorg support for Freescale i.MX6.

XVInfo is used to print out the capabilities of any video adaptors associated with the display that are accessible through the X-Video extension.

X11::Protocol::Other contains window manager related functions for use by client programs, as per the ICCCM (Inter-Client Communication Conventions Manual) and some of the EWMH (Extended Window Manager Hints).

Xorg Core X11 protocol client library.

Xpra is a persistent remote display server and client for forwarding applications and desktop screens. It gives you remote access to individual applications or full desktops. On X11, it is also known as ``screen for X11'': it allows you to run programs, usually on a remote host, direct their display to your local machine, and then to disconnect from these programs and reconnect from the same or another machine, without losing any state. It can also be used to forward full desktops from X11 servers, Windows, or macOS.

These bindings wrap libxcb (a C library to speak with X11, in many cases better than Xlib), and provides an object oriented interface to its methods (using Mouse).

OpenGL Extension defines a protocol for the client to send 3D rendering commands to the X server.