WiseDesktop
WiseDesktop is an award-winning virtual desktop manager for Windows with user-friendly interface and useful features. WiseDesktop creates four virtual desktops and only one is visible at a time. So, when you switch desktops, all visible application windows just disappear from the screen and from... Also you can set custom wallpapers for each desktop, move application windows from one desktop to another by drag'n'drop, keep an application window on all desktops, close an application window from the WiseDesktop main window, change the order of applications on the Windows taskbar etc.
http://wisedesktop.com/download/WiseDesktop.exe - 1Mb - Download - Screenshot

Virtual Desk
Virtual Desktop is a desktop manager to create many virtual desktops and switch among them. With Virtual Desktop, your computer has many virtual desktops, and each desktop has same screen size as the real screen, so it seems that your computer screen size is enlarged many times by the tool. ... For example, you can surf internet in desktop one, use desktop two to focus on writing some documents and play games in the desktop three. ... To switch among desktops quickly and easily, Virtual Desktop provide you three methods to switch among desktops: moving mouse on the icon located on the...
http://www.easyfp.com/virtualdesk/download/virtualdesk.exe - 16Mb - Download - Screenshot

enable Virtual Desktop
enable Virtual Desktop is the next generation virtual desktop from Enable Software. Features include: customizable desktop size, hotkey desktop switching, mouse and window selectors, fully customizable appearance (including different wallpaper/patterns/colors for each desktop). ... Assign rules for windows, including sticky windows (window appears in all desktops) and the initial desktop, size and position of windows. ... Contents mode displays an exact miniature replica of your desktop, while you can set up desktop themes and global hotkeys.
http://www.enablesoftware.com/evd2.2.8u.exe - 3Mb - Download - Screenshot

PictoWin Multi desktop manager
Robust awards winning PictoWin multi desktop manager for Windows adds unlimited number of virtual desktops to your PC and helps you reorganize your workspace. This reliable multi desktop manager for Windows(r) does not only switches desktops, its numerous features help you organize efficiently... User can drag and drop applications from one desktop to another, switch desktop and switch directly to any application in any desktop. ... 1a Multi desktop manager for Windows(r), Windows 2000/2003(r) and Windows XP(r) users can configure PictoWin desktops bar and PictoWin pop up window transparency.
http://www.cyhproject.com/downloads/PictoWin20.exe - 2Mb - Download - Screenshot

Chimera Virtual Desktop
Is your taskbar cluttered? Getting lost in jungle of windows? Do you need a simple and versatile solution for creating distinct work areas for your different tasks? Create up to 9 separated screens, so called virtual desktops. Move applications between desktops easily! ... Distinct wallpapers, desktop and quicklaunch icon sets per desktop! ... Use tabs, hotkeys, mouse gestures, drag-and-drop interface, system menu integration and other methods to manage your desktops and windows. ... Stable and reliable solution with excellent online support!
http://www.chimera.hu/dl/ChimeraVirtualDesktop.exe - 1Mb - Download - Screenshot

Ultradesk
Ultradesk the next generation virtual desktop. With Ultradesk you can: Switch from one desktop to another quickly by using mouse or hotkeys. User-definable hotkey to move a specific window from one desktop to another. Each desktop can have it's own screen saver, wallpaper and icons layout. ... One click to move a specific window from one desktop to another. ... Sticky window and sticky program. ... User-definable auto starting when windows is starting. ... Supports Windows 95/98, Windows 2000, Windows Me and Windows XP.
http://www.kaolay.com/download/ultradesk-1.1beta2build0126.zip - 160Kb - Download - Screenshot

ExeDesk, Professional Edition
The ExeDesk is a skinable (theme enabled) virtual desktop manager that replaces standard Windows desktop. There is up to nine desktops, each with its own user-defined content. Windows opened on each desktop can be simply moved to other desktop using drag & drop (or can be made sticky and thus... Professional edition only: Theme creation/editing, desktop password protection, screen resolution per desktop , better color control. ... The program is fully customizable: User can select different color and wallpaper for each desktop, assign hotkeys to desktops, select from many types of objects...
http://www.pitrinec.com/exedesk_pro.exe - 5Mb - Download - Screenshot

ExeDesk, Standard Edition
The ExeDesk is a skinable (theme enabled) virtual desktop manager that replaces standard Windows desktop. There is up to nine desktops, each with its own user-defined content. Windows opened on each desktop can be simply moved to other desktop using drag & drop (or can be made sticky and thus... Professional edition only: Theme creation/editing, desktop password protection, screen resolution per desktop , better color control. ... The program is fully customizable: User can select different color and wallpaper for each desktop, assign hotkeys to desktops, select from many types of objects...
http://www.pitrinec.com/exedesk_st.exe - 5Mb - Download - Screenshot

Oban MultiDesk Expert
Real powerful multiple desktop management tool, Anyone may well find it a welcome, low-overhead way to expand their work spaces. It provide user industry-lead solution with following features: 1. Takes up very little resources , and it doesn't slow performance. ... MultiDesk expert allows a window or desktop Icon to be made 'global or sticky' meaning it will be visible on all of the virtual desktop. ... It also allow a window or desktop Icon to be made 'invisible' meaning the responding items will be invisible on all of the virtual desktop.
http://www.obantech.com/download.php?file=MultiDesk-Expert.exe - 2Mb - Download

DynaDeskXP
Innovative and easy to use window manager with a map of the desktop. The map is conveniently located in the Windows taskbar. Includes full support for multiple monitors and the multi-monitor extended desktop. DynaDeskXP will also work with various virtual desktop window managers.
http://www.dynadeskxp.com/dls/DynaDeskXPTrialInstall.exe - 307Kb - Download - Screenshot