Apple Screen Sharing is described as 'Screen Sharing is a VNC client by Apple Inc. included as part of Mac OS X v10.5. It allows remote observance or control of any Macintosh machine on the local network that has Screen Sharing activated. It may also be used over the Internet via iChat' and is a Remote Desktop tool in the network & admin category. There are more than 50 alternatives to Apple Screen Sharing for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Apple Screen Sharing alternative is TeamViewer. It's not free, so if you're looking for a free alternative, you could try TeamViewer or RustDesk. Other great apps like Apple Screen Sharing are Remmina, mRemoteNG, Chrome Remote Desktop and TightVNC.