Spacedesk’s Viewer apps can be launched on other devices, at which point your PC will recognize them as additional monitors. Apps are available for Windows, iOS, Android, Amazon devices, and any ...

If your old monitor is of decent size, say 24 inches or larger, you can turn it into a portable smart TV. With this setup, you'll be able to stream content from your favorite apps like YouTube ...

Sadly, there’s nothing for Macs, but there are several system monitor apps that show the data on the Mac’s screen. The RSM server uses minimal system resources and wants to use port 19150.

To do it, you'll need a TV or computer monitor, the Google Home app, and a Google Chromecast — or a TV/monitor with Chromecast built in. This includes the Google Nest Hub, which has a screen.

To my surprise, I liked using my desktop monitor as both a normal PC monitor and a smart (albeit imperfect) TV. I often preferred the built-in streaming apps over a browser page.