Comparison of X Window System desktop environments

A desktop environment is a collection of software designed to give functionality and a certain look and feel to an operating system.

This article applies to operating systems which are capable of running the X Window System, mostly Unix and Unix-like operating systems such as Linux, Minix, Solaris, AIX, FreeBSD and Mac OS X.[1] Microsoft Windows is incapable of natively running X applications; however, third-party X servers like Cygwin/X, Exceed, or Xming are available.[2][3]

Technical elements of a desktop environment

A desktop environment (DE) can be broken up into several components that function independently and interact with one another to provide the look and feel and functionality of the desktop environment. A fundamental part of a DE is the window manager or WM. A window manager creates a certain way for application windows to present themselves to the user. It manages the various application windows, keeping track of which ones are open and providing features to switch between them. Another important element of a DE is the file manager. This application manages files/ folders and presents them in a way that the user finds convenient. It provides file operations like viewing, copying or moving, changing permissions and deleting. DEs usually provide utilities to set wallpapers and screensavers, display icons on the desktop, and perform some administrative tasks. They may optionally include word processors, CD/DVD writing applications, web browsers and e-mail clients.

There are some exceptions: Window managers like Fluxbox, wmii and Ratpoison operate independently of a desktop environment and were written with this objective in mind. Additional hand-picked applications add functionality such as a panel and volume management which gives them some of the qualities of a full DE. This contrasts the behaviour of WMs like Metacity and KWin which were not written with the objective of operating independently of a DE.

KDE Software Compilation and GNOME are written almost completely on special software libraries Qt and GTK+ respectively.[4] This usually means that virtually every component of the desktop environment including the file manager explicitly depends on that library for its functioning.

X Window System desktop environments timeline.

Notably, nothing prevents the user from installing any number of software libraries of his/her choice. In practice, software written on major libraries can be run under any desktop environment. Running a package designed for one desktop (which essentially means that it's written using the same libraries as the desktop itself is) within a different desktop can be visually displeasing, as well as incurring the RAM penalty of loading libraries that wouldn't otherwise be required.

Some of the differences which can influence the choice of desktop environment are:

  • Look and feel of the desktop environment. The user will be more comfortable with a certain look and feel that he/she may or may not already be familiar with.
  • Flexibility and configurability of the desktop environment. A sophisticated user might want a highly configurable desktop environment to make the desktop environment work the way he/she wants. A beginning user might just want an easy-to-use environment to which he/she will adjust.
  • Personal preferences for choice of software, which has two aspects:
    • Each desktop environment comes packaged with various default software and various "ways things are done" under that desktop. A casual user might like a highly integrated graphical interface to change various settings while a more experienced user might prefer to use individual configuration utilities or even CLI tools.
    • Desktops are also often closely tied into various major functional components of the desktop manager (example: file manager, browser, word processor); whilst "mix and match" is possible, it is generally pleasing to make choices which result in a consistent look and feel of programs under the chosen desktop environment. Making choices based on what software integrates with a chosen desktop environment necessarily limits the weight that can be given to other application features.

Desktop comparison information

Overview

NameFirst release dateLast stable release dateProgramming languageGraphical toolkitLicenseNotes
Cinnamon20112017-07-02C, JavaScript, PythonGTK+GPLForked from GNOME 3 with the intent to create a traditional desktop with modern technologies.
Enlightenment (E)19972017-02-16CEFLBSD licenseComplete environment including centralized configuration of most settings.
Equinox Desktop Environment (EDE)2003-01-062014-06-21C++FLTKGPL, LGPLSeldom used environment, has seen little activity in recent years.
Étoilé2006-02-222012-04-11Objective-CGNUstepMIT, BSD licenseHas seen little activity for several years, the last journal entry having been in 2014.
GNOME1999-03-032017-05-08C, C++, Vala, Python, JavaScriptGTK+GPL, LGPLGNOME is one of the most popular environments and is very configurable. Major design changes with the 3.0 release sparked the creation of Cinnamon (a fork of GNOME 3), Unity (an alternative GNOME 3 shell replacing GNOME Shell) and MATE (a fork of GNOME 2).
KDE (KDE5, KDE Plasma Workspaces, formerly K Desktop Environment or simply KDE)1998-07-122017-02-14C++, QMLQtLGPLKDE has a strong and enthusiastic following, despite a reputation for being resource-intensive. The project is largely community-centric, and encompass many other applications and frameworks, many built specifically for KDE.
LXDE (Lightweight X11 Desktop Environment)20062016-11-21CGTK+GPL, LGPLLXDE, with its low resource footprint, is a favorite among developers of lighter-weight Linux distributions (Lubuntu, Lite, LXLE, PepperMint, Sparky, etc.).
LXQt2014-05-072018-05-21C, C++QtGPL, LGPLmerged from LXDE-Qt experiment and Razor-qt
MATE2011-08-192017-03-13C, C++, PythonGTK+LGPL, GPLRevival and continuation of GNOME 2 environment after the release of GNOME 3. In recent releases, it has been ported to GTK+ 3, demonstrating the progress of the project.
Pantheon2011 (?)2016-08-21 (?)ValaGTK+GPL
Razor-qt20102013-01-12C++QtGPLmerged into LXQt
ROX Desktop2000 (?)2011-10-09C, PythonGTK+GPL
Trinity Desktop Environment (TDE)2010-04-292016-11-07C++QtGPL (and other)forked from KDE 3.x Intentionally with a Win-XP look.
Unity2010-06-092016-05-25C, C++, Python, Vala, QMLGTK+GPL, LGPLDeveloped by Canonical for Ubuntu as an alternative graphical shell to GNOME 3's "GNOME Shell". Designed with "convergence" in mind, it was discontinued by Canonical in early 2017, but its development was continued by the community.
Xfce19962015-02-28CGTK+GPL, LGPL, BSD licenseXFCE is often used in lightweight distributions targeting lower-end hardware.

Default programs packaged

This table shows basic information on the programs distributed with some desktop environments for the X Window System.

KDE Software CompilationGNOMEMateXfceLXDEROX DesktopÉtoiléEDEEnlightenment
X window manager KWin Mutter Marco Xfwm4 Openbox OroboROX Azalea edewm Enlightenment
X display manager KDM, SDDM GDM LXDM elma Entrance
File manager Dolphin (Konqueror before SC 4) Files Caja Thunar PCManFM ROX Filer Efiler EFM, Entropy
Widget toolkit Qt
GTK+
 GTK+(legacy) / Qt GTK+ GNUstep FLTK (previously eFLTK) Elementary
Terminal emulator Konsole GNOME Terminal MATE Terminal Terminal LXTerminal ROXTerm aterm Terminology
Text editor KWrite (Kate before SC 4) gedit Pluma Mousepad, Leafpad Leafpad Edit TextEdit Eyesight, Ecrire
Video player Dragon Player (Kaffeine before SC 4) Videos Parole lxine mplayer-rox Enna (media center), Eclair
Audio player JuK, Amarok Banshee, Rhythmbox LXMusic MusicBox Melodie Enjoy
CD burners K3b Brasero Xfburn RoxISO
CD ripper K3b, KAudioCreator Sound Juicer Ripper Extrackt
Image viewer Gwenview Eye of GNOME Eye of MATE Ristretto GPicView Picky Eimage Ephoto
Office suite Calligra Suite, KOffice GnomeOffice
Web browser Konqueror, Falkon Web Midori Eve
E-mail client Kmail Evolution GNUMail
Personal information manager Kontact Contacts
Instant messenger Kopete, KDE Telepathy Empathy Shotgun
Archive manager Ark Archive Manager Engrampa Xarchiver, Squeeze Xarchiver Archive
PDF viewer Okular (KPDF before SC 4) Evince Atril Vindaloo Epdf
IDE KDevelop Anjuta Gorm, ProjectCenter EDI
X session manager ksmserver gnome-session mate-session Xfce4-session LXSession ROX-Session
Widget engine built-in – Plasma (SuperKaramba before SC 4) gDesklets Elementary
Licenses used GPL, LGPL, BSD, others GPL, LGPL GPL, LGPL GPL, LGPL, BSD GPL, LGPL GPL GPL, BSD GPL, LGPL BSD, LGPL
KDE Software CompilationGNOMEMATEXfceLXDEROX DesktopÉtoiléEDEEnlightenment

Note that Razor-qt has become LXQt, a port of LXDE to the Qt framework.

Comparison of ease of use and stability

GNOME's graphical file manager Files (Nautilus) is intended to be very easy to use and has many features.[5] KDE's file manager Dolphin is described as focused on usability.[6] Prior to KDE version 4, the KDE project's standard file manager was Konqueror, which was also designed for ease of use.

Both GNOME and KDE come with many graphical configuration tools, reducing the need to manually edit configuration files for new users. They have extensive bundled software such as graphical menu editors, text editors, audio players, and software for doing administrative work. All applications installed in most distributions are automatically added to the GNOME and KDE menus. No major configuration changes are necessary to begin working. However, by using graphical tools, the extent to which the desktops can be configured is determined by the power provided by those tools.

Compatibility and interoperability issues

Some desktop environments and window managers claim that they support applications made for other desktop environments explicitly. For example, Fluxbox states KDE support in its feature list.[7] Using software made specifically for the desktop environment in use or window manager agnostic software is a way to avoid issues. For software developers, the Portland Project has released a set of common interfaces that allows applications to integrate across many desktop environments.[8]

System resources utilization

A 2011 test by Phoronix with the default installation of Ubuntu 10.04 showed that LXDE 0.5's memory utilization was lower than that of Xfce 4.6, which in turn was lower than that of GNOME 2.29, with KDE 4.4 using the most RAM compared to the aforementioned desktops.[9][10]

In 2016, it was demonstrated in benchmarks that LXDE performed slightly faster than Xfce overall (in the average of all tests), using the Fedora Linux operating system.[11]

See also

References

  1. ↑ XFree86 Official Website line 5
  2. ↑ Cygwin/X website
  3. ↑ Xming project homepage on SourceForge
  4. ↑ Official websites of GNOME and KDE
  5. ↑ Official Nautilus screenshots page
  6. ↑ Official Dolphin file manager page on KDE project site
  7. ↑ Fluxbox official website line 15
  8. ↑ Linux leaps toward KDE/GNOME compatibility Archived 2008-02-26 at the Wayback Machine.
  9. ↑ Larabel, Michael. "Phoronix: Power & Memory Usage Of GNOME, KDE, LXDE & Xfce". Phoronix. Retrieved 30 July 2011.
  10. ↑ RAM use of LXDE vs Xfce in Porteus again confirms that LXDE is about 1/2 of that of Xfce
  11. ↑ Phoronix
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