Synergy combines your desktop devices together in to one cohesive experience. It's software for sharing your mouse and keyboard between multiple computers on your desk. It works on Windows, macOS and Linux.

Multiplicity is described as 'Virtual KVM switch for seamless control of multiple computers with one keyboard and mouse. Supports file transfer and audio streaming' and is a Mouse Sharing utility in the network & admin category. There are more than 10 alternatives to Multiplicity for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Multiplicity alternative is Synergy. It's not free, so if you're looking for a free alternative, you could try Spacedesk or Barrier. Other great apps like Multiplicity are Input Leap, LogMeIn Resolve, Mouse without Borders and InputShare.
Synergy combines your desktop devices together in to one cohesive experience. It's software for sharing your mouse and keyboard between multiple computers on your desk. It works on Windows, macOS and Linux.

Utilize Spacedesk to transform any network-connected device, from Android tablets to iOS devices, into additional monitors. Requires a Windows primary machine for efficient screen sharing, perfect for office or remote collaboration.


Barrier is a cross-platform software utility for sharing your mouse and keyboard between multiple computers on your desk. It was forked from Synergy version 1.9's codebase.




Input Leap is software that mimics the functionality of a KVM switch, which historically would allow you to use a single keyboard and mouse to control multiple computers by physically turning a dial on the box to switch the machine you're controlling at any given moment.


Offers endpoint management with remote control, IT tools integrating remote monitoring, management, access, support, ticketing, and automation. Mobile Device Management manages apps, security, and devices across systems.




Control multiple PCs effortlessly with a single mouse and keyboard, drag-and-drop files between machines, and customize your screens with Bing images, all without extra gear.




InputShare enables you to share the keyboard and mouse of your computer with an Android device via ADB in wired / wireless way.




Input Director is a Windows application that lets you control multiple Windows systems using the keyboard/mouse attached to one computer. It is designed for folks who have two (or more) computers set up at home and find themselves regularly sliding from one system to the other.




Seamlessly control multiple computers using one mouse and keyboard, switch between systems by moving the pointer, transmit input securely over LAN, share clipboard, support drag-and-drop files, and work across Windows or macOS with no hardware required.




Ready-to-use remote desktop tool requiring no installation, registration, or admin rights, with instant connection setup, encrypted sessions, firewall/NAT compatibility, flexible permission settings, file transfer, image optimization, and simple interface.




Cross-platform utility tool for seamless mouse, keyboard and clipboard sharing and usage in multi-display, single and multi-device setups.


Shares peripherals ONLY between computers with their own screens, multiplicity uses a single computer, to virtually kvm switch between computers using the same monitor as well as peripherals.