Aston
   A desktop manager and shell replacement for Windows with easy shell swapping capability and features including transparencies and hotkeys.
   http://www.astonshell.com/

Blackbox For Windows
   The main site for blackbox for windows, an alternative shell that mimics blackbox for linux.
   http://www.bb4win.org

Blizzle
   News and releases about Windows customization and alternative shell software
   http://blizzle.com/

Blueberry 3D-Desktop
   The Blueberry desktop project is made using Delphi, its main purpose is a 3D OPENGL engine in replacement of Windows desktop
   http://blueberry.sourceforge.net/

Bluebox
   A competitor to Blackbox for Windows, bluebox adheres more to the fluxbox style of doing things.
   http://www.codedump.org

Core
   Core is written in VB6 and is designed to imitate LiteStep in that it is completely customizable.
   http://www.coreshell.info

DarkStep
   Replaces the default explorer shell for Windows 9x/ME/NT/W2K, which allows for a fully customized Graphical User Interface to improve/personalize functionality and aesthetics.
   http://www.darkstep.com/

Desktop Manager
   Desktop Manager is a virtual desktop program and Windows shell. A virtual desktop program gives you more work space, you use a control of some kind and you switch to another virtual screen where you can run different applications. So, instead of hunting f
   http://www3.nf.sympatico.ca/byronm/dm.html

DesktopX
   This utility offers many desktop enhancements such as adding objects, direct access to ActiveX controls, and ability to create your own objects and add functionality with VBScript or Javascript.
   http://www.stardock.com/products/desktopx/

Emerge Desktop
   Emerge Desktop is an alternate desktop shell (user interface) for Microsoft Windows 2000 and above. It provides menus similar to the standard 'Start Menu' available via a right or mid click on the desktop. In addition, there are many additional applet
   http://www.emergedesktop.org

GO
   Go, the ultraminimilistic shell for windows. A run box, some hotkeys, and no fuss.
   http://www.shellcity.net/go/go.htm

HoverDesk
   HoverDesk is a complete and powerful desktop replacement. It adds versatility to your existing Windows desktop and lets you customize your interface according to your needs and tastes. HoverDesk expands the Windows environment by adding novel ways to
   http://www.hoverdesk.net/

LiteShell
   A tiny, ultra-fast shell for Windows. It is designed with old, slow PCs in mind. On any PC, it uses next to no CPU/RAM.
   http://www.labyrinth.net.au/~mosses/rob/#LiteShell

SharpEnvironment for Windows
   SharpEnvironment is a shell replacement for Windows that aims to create a more user-personal, beautiful computing experience that is conducive to productivity.
   http://sharpe-shell.org

Shell Extension City
   Shell extensions, interface customization software, and other utilities for Windows 95/98/NT/2000, and other OSs. For Windows, over 1000 shell extensions and replacements, registry hacking software, and much else needed to customize your system. Mostly fr
   http://shellcity.net/

Shell-Shocked
   Alternate Windows shell online magazine.
   http://shell-shocked.org/

ShellFront
   Information on various alternative shells for Windows.
   http://www.shellfront.org/

Silver Forge Systems
   Makers of the Equinox Shell, DesktopPro Studio, and DesktopPro 2000 line of alternative shells.
   http://www.silver-forge.com/

Talisman
   "Talisman Desktop" (Talisman) is a desktop alternative and shell-replacement for Windows 9x/ME and NT/2000/XP, capable of transforming your desktop into an interface organized as you like.
   http://www.lighttek.com/talisman.htm

The SphereXP
   The SphereXP is a 3D desktop replacement for Microsoft Windows XP. Taking the known concept of three-dimensional desktops to its own level. It offers a new way to organize objects on the desktop such as icons and applications.
   http://www.spheresite.com/

ThinTop Desktop Security Suite
   A desktop replacement shell for Win9x to XP, designed to secure the desktop, block un-authorised applications, remove access to command prompts, stop unwanted user changes and enable the administrator to centrally define access on a per user basis in both
   http://www.thintop.com

WinStep
   Winstep Software Technologies develops a suite of award winning, skinnable applications for the Windows 32-bit environment. The purpose of this groundbreaking suite is to provide usability enhancements to the standard Explorer shell while at the same time
   http://www.winstep.net/

bbLean
   bbLean is the lean version of Blackbox for Windows. It keeps balance between features and complexity, to give you efficient means within a compact shell.
   http://bb4win.sourceforge.net/bblean/

k23 productions
   Home of cloud:9ine, icefire, melon, eggShell, and dotWidgets.
   http://www.k23productions.com/