Free desktop environments

The Tango Desktop Project is an open-source initiative to create a set of design guidelines and to provide a consistent user experience for applications on desktop environments.

Xfce (pronounced as four individual letters) is a free and open-source desktop environment for Unix and Unix-like operating systems, such as Linux, Solaris, and BSD.

Unity is a graphical shell for the GNOME desktop environment developed by Canonical Ltd.

Enlightenment, also known simply as E, is a compositing and stacking window manager for the X Window System.

Mezzo is the desktop environment created by Ryan Quinn.

Cinnamon is a desktop environment that is based on the GTK+ 3 toolkit.

EDE or Equinox Desktop Environment is a small desktop environment that is meant to be simple and fast.

The ROX Desktop is a graphical desktop environment for the X Window System.

MATE (/ˈmɑːteɪ/; Spanish pronunciation: [ˈmate]) is a desktop environment forked from the now-unmaintained code base of GNOME 2.

Razor-qt is a now defunct free desktop environment for personal computers.

OpenTracker is the open source version of the Tracker file manager for BeOS-compatible operating systems.

JWM (Joe's Window Manager) is a lightweight stacking window manager for the X Window System written by Joe Wingbermuehle.

IceWM is a stacking window manager for the X Window System graphical infrastructure, written by Marko Maček.

KDE Plasma 4, subsequently renamed from KDE Plasma Workspaces, is the umbrella term for the fourth generation graphical environments provided by KDE.

Project Looking Glass is a now inactive free software project under the GPL to create an innovative 3D desktop environment for Linux, Solaris, and Windows.

The MoonLight Desktop Environment (abbreviated MoonLightDE) is a desktop environment derived from LXQt and Qt 5.

LXQt is a bundle of software packages under development, with the aim of providing a complete desktop environment.

K Desktop Environment 3 is the third series of releases of the K Desktop Environment (after that called KDE Software Compilation).

Ambient is a MUI-based desktop environment for MorphOS.

FVWM-Crystal is a theme framework for the FVWM window manager.

XFast is a lightweight desktop environment that incorporates a display manager and a window manager within the same process.

Xito is a Java based portable desktop environment.

FVWM95 is a window manager for the X Window System based on the popular FVWM 2 window manager.

KDE Plasma 5 is the fifth and current generation of the desktop environment created by KDE primarily for Linux systems.

Metisse is a 2.5D desktop environment.

The Unix Desktop Environment (UDE) is a desktop environment for the X Window System.

Étoilé (French for starry) is a GNUstep-based free software desktop environment built from the ground up on highly modular and light components with project and document orientation in mind, in order to allow users to create their own workflow by reshaping or recombining provided services (applications), and other components.

Sugar is a free and open source computer desktop environment designed for interactive learning by children.