VirtuaWin - VirtuaWin is a virtual desktop manager for the Windows operating system (Win9x/ME/NT/Win2K/XP/Win2003/Vista/Win7/Win10). A virtual desktop manager lets you organize applications over several virtual desktops (also called 'workspaces').
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
Sysinternals Desktops - Desktops allows you to organize your applications on up to four virtual desktops.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
9Desks - up to nine virtual desktops
AquaSnap - Too many windows on your screen? Stop wasting your productivity.