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.
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Astropad - Astropad is a free form drawing tool designed from the ground up to take advantages of the features offered by an iPad.
Ultramon - UltraMon is a piece of software built to help with the management of multiple screens on the same computer system. Without software like this, taking full advantage of an expanded desktop space can be difficult.
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. Read more about iDisplay.
Dual Monitor Tools - Download Dual Monitor Tools for free. Tools for Windows users with dual or multiple monitors. Tools for Windows users with dual or .