Alternative Linux Desktop Environment, provides an object-orientated and extensible C++/Java application framework.

A GTK+-based desktop environment. Started as a fork of the GNOME Shell, and was initially developed by (and for) Linux Mint.

Equinox Desktop Environment. A small graphical desktop environment runs on Linux, *BSD, Solaris, Minix, Zaurus and even on XBox.

Lightweight desktop environment, uses Fox multiplatform C++ widget set.

Surprisingly large and thorough Graphical User Interface list, with timeline, screenshots, downloads, links. Very useful resource for students of computer interfaces.

A fork of GNOME 2, aims to preserve the classic desktop metaphor. Documentation, installation instructions, screenshots.

Aims to preserve and improve the X11-specific aspects of KDE since the announcement to switch to Wayland only. Project history, installation instructions, contact information.

Compares UI and usability of several desktop environments (DEs) that are widely used, admired, reviled: Windows XP Luna, BeOS 6 (Dano/Zeta), Mac OS X Aqua, Unix KDE and GNOME. Large article with many forum comments. [OSNews.com] (March 17, 2003)

Article praises, analyses Red Hat's new user interface in their Linux 8.0. [Linux Review] (December 03, 2002)