This free and open-source app lets you use any device as an extended PC monitor for macOS, Windows, or Linux. Here's how to get started.

Apple likes to promote the idea that an iPad can replace a laptop or desktop computer — we all remember the infamous “What’s a computer?” TV ad. One of the ways this is supported is connecting to an ...

The iPad is a versatile device. You can use it as a TV, a notebook, a sketchpad, a gaming console, or a laptop (with the right accessories). But one of its most underrated features is its ability to ...