Lightweight desktop environment for various Unix systems, easy to use and configure, fast, XFce 3 is based on GTK+. Description, downloads, screenshots, links, credits. [Open Source, GPL]

Project for a Free Software GUI environment for palmtop-handheld computers running GNU/Linux operating systems.

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

Extends Windows desktop to support true objects (can be anything) instead of passive icons, use one by one, or mix together to form themes; build your own desktop interface, even if not a programmer. [Stardock Corporation, Inc.]

A desktop environment(XPde) and a window manager(XPwm) for Linux. It tries to make easier for Windows XP users to use a Linux box. Nothing more, no clipboard compatibility between Gtk and Qt applications, no emulation of Windows applications, no unifi...

Main goals of this project are simplicity, speed, minimal memory usage (if possible), good look and fell and stability. That does not mean it will be for 8086. It's FLTK-based.

Lightweight desktop environment, uses Fox multiplatform C++ widget set. [Open Source, LGPL]

Runs on FreeBSD, Linux, SunOS/Solaris; English, French, German. Description, downloads, CVS, screenshots, bug reports, fora. [Open Source, GPL; SourceForge.net]

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]

Provides C++/Java application framework.