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Duet Display

With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.

20 Alternatives To Duet Display

Astropad

Astropad is a free form drawing tool designed from the ground up to take advantages of the features offered by an iPad.
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Clock Screen Saver

Clock Screen Saver is a free cool looking screen saver that displays the current time in the way of digital or analog clock faces.
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Input Director

Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
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Le Slide

Easily add two more monitors to your laptop 💻

Mountie+

Connect a second (or third) screen to your laptop

Multiplicity

Multiplicity enables a user to control multiple computers with one keyboard and mouse.
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Padbury Clock Screensaver

Minimal screensaver for Mac
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Samsung DeX

Connect your Galaxy S8/S8+ to a monitor

ScreenFocus

Working with multiple monitors made right.
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Splashtop Wired XDisplay

Use Splashtop Wired XDisplay to turn your iPad, Android tablet, Kindle or smartphone into a high-performance extra monitor for your computer.
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Synergy

Project management & accounting for AEC professionals

TwomonUSB

You can create dual monitors quickly and easily using a USB.
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Vinpok Split

Best on-the-go touch screen monitor

iDisplay

iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi.
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scrcpy

Display and control your Android device from your computer. This application provides display and control of Android devices connected on USB (or over TCP/IP). It does not require any root access.
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spacedesk

spacedesk expands the Windows desktop computer screen to other computers over the local area…