The best free alternative to Multiplicity is Spacedesk. If that doesn't suit you, our users have ranked more than 10 alternatives to Multiplicity and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Multiplicity are Barrier, Input Leap, Mouse without Borders and InputShare.
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.
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.
Because it is not the same function
It's the best not only as an alternative but as it's the only one that works without complicated settings. I loved it from the first time ..???
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.
Really very different functionality. Multiplicity is for locally sharing keyboard/mouse across multiple computers. Aeroadmin is remote desktop software.
Cross-platform utility tool for seamless mouse, keyboard and clipboard sharing and usage in multi-display, single and multi-device setups.
An desktop application that makes it easy to share your mouse, keyboard and clipboard between your PC and your Android tablets and phones.
This program will let you use two screens on two different computers as if they were connected to the same computer.
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.
United States
Australia
Germany
EU
United Kingdom
Works for Windows and Mac!