DisplayFusion!

Aquasnap is a powerful window manager that helps you arrange and organize multiple applications on your desktop with minimum effort. It allows you to achieve maximum multitasking, especially if you own a high-resolution monitor or a multi-monitor setup.

A taskbar for the second monitor. (Only tested on Windows Server 2008 R2 and Windows 7). This project was registered on SourceForge.net on Jun 16, 2011, this is the Dual Monitor Taskbar project also known as ("dualmonitortb").

Dual Monitor Tools is a software package for Windows users with dual or multiple monitor setups.

UltraMon is a utility for multi-monitor systems, designed to increase productivity and unlock the full potential of multiple monitors. Efficiently move windows and maximize windows across the desktop, manage more applications with the Smart Taskbar, control application positioning with UltraMon Shortcuts, multi-monitor support for desktop wallpapers and screen savers, mirror your main monitor to secondary monitors for a presentation.

Actual Window Manager is 13 tools in 1. You can add new buttons to any windows title bar, add transparency effect to any window, minimize any window to tray or to any edge of the desktop, automatically close annoying windows and much more.

TaskSpace is a simple Windows application intended to group ANY applications in a single window(task space) to provide fast and easy access to multiple applications simultaneously(no Alt+Tab switching and/or searching for a program in the taskbar is required).

TaskLayout is a small portable Windows utility which allow saving/restoring of desktop layout (a set of specified apps/windows with corresponding position on screen) in a single click.

WindowSpace is a powerful desktop enhancement utility for large monitors, widescreens and multi-monitor systems. Once installed, it allows you to manipulate windows in many new amazing ways – snap windows to the screen edges and other windows, move and resize them with keyboard shortcuts, maximize vertically or horizontally, pin on top of the other windows, hide from view, minimize to tray, and it’s just the beginning!

WinRoll easily manages multiple open windows.

Actual Multiple Monitors is a software utility which offers the comprehensive solution to improve the functionality of Windows user interface for comfortable and effective work with multi-monitor configurations.

1 Hour Software by skrommelWatch and control multiple monitors.

Monitors AnyWhere lets you control digital signage on up to 20 different content channels – anywhere in your building – and you control everything from a single PC. This solution can also include a Content Management System which will allow you to design beautiful layouts and update it from anywhere with an Internet connection.