Screens is described as 'VNC client for the iPhone, iPad, and Mac OS X that allows you to remotely connect to your computer' and is an app in the Network & Admin category. There are more than 50 alternatives to Screens for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is TeamViewer. It's not free, so if you're looking for a free alternative, you could try Chrome Remote Desktop or DWService. Other great apps like Screens are AnyDesk (Free Personal), UltraVNC (Free, Open Source), TightVNC (Free, Open Source) and NoMachine (Freemium).
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.
Remote Utilities is a remote PC access program for connecting to a remote PC over LAN or via the Internet. The program is used by system administrators, home users and helpdesks for remotely managing PCs in their corporate or home network, or providing customer support.
Use Microsoft Remote Desktop for Android to connect to a remote PC or virtual apps and desktops made available by your admin. With Microsoft Remote Desktop, you can be productive no matter where you are.
The best open source remote desktop software. It is an alternative of TeamViewer and AnyDesk, but open source. You have full control of your data, no concern of security. You can use my rendezvous/relay server, or set up your own, or write your own rendezvous/relay server.
Apple Remote Desktop is the best way to manage the Mac computers on your network. Distribute software, provide real-time online help to end users, create detailed software and hardware reports, and automate routine management tasks — all without leaving your desk.
Remotix is a fast and powerful application to easily access multiple Macs (and PCs). The only client with complete Apple Screen Sharing support, including clipboard synchronization, Apple adaptive quality codec and multiple monitor support.
Clientless RDP Server Manager. The Windows Server acts as a gateway, while the HTML5 web rdp client grants secure remote desktop without installing extensions nor plugins on the user side. Includes FTP, remote audio/printing, access profiles, etc.
ISL Light is a web-based remote desktop solution that lets you access and control any Windows, Mac or Linux computer in seconds from any computer or mobile device or to provide ad hoc technical support to mobile device users.
Free remote desktop control software. It's used for system administration and instant remote desktop connection over the Internet. Free remote access software Desktopable makes control of a remote PC very easy and intuitive.