spacedesk is a free app that lets you use an Android tablet as a second display for your Windows PC. Learn how to set up and use it.

Duet Display lets you use any Android device as a second screen for your Mac, whether wired or wireless, giving you extra space for multitasking.

Google's new split-screen feature in Android 16 is remarkably similar to Open Canvas and Boundless View from Oppo, but it's not a real copy.