AirPlay

5KPlayer is a powerful UHD player that turns your Mac into an AirPlay receiver [sponsor]

If you need a more capable, hardware-accelerated 4K video player for your Ultra HD videos, one capable of streaming your media from iOS devices or even mirroring the screen of an iOS device to your Mac via AirPlay, 5KPlayer is it. With this comprehensive media player, you can watch 4K and UHD movies on your Mac without stuttering, manage your media with ease, open all common video and audio formats without conversions and more.

AirBeamTV mirrors your iOS or macOS device to a TV without Apple TV [sponsor]

The Apple TV is great for mirroring or sharing your iOS or macOS device to your television. But for anyone with a Roku, Chromecast, or Amazon FireTV, you normally would be out of luck. Fortunately, developers at AirBeamTV have a low-cost solution to that problem. With the AirBeamTV app on your iOS or macOS device, you can share your screen and cast content onto your television whether you have a Roku, Chromecast, or Amazon FireTV.