x2vnc (win2vnc) is described as 'This program will let you use two screens on two different computers as if they were connected to the same computer' and is an app in the network & admin category. There are more than 10 alternatives to x2vnc (win2vnc) for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best x2vnc (win2vnc) alternative is Synergy. It's not free, so if you're looking for a free alternative, you could try Spacedesk or Input Leap. Other great apps like x2vnc (win2vnc) are Barrier, Mouse without Borders, Multiplicity and Input Director.
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.
United Kingdom
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.
Germany
EU
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.
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.
United States
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.
Multiplicity offers a virtual KVM solution, managing several computers with one keyboard and mouse. Its remote modes enable cursor transition across monitors and centralized control. Users can transfer files, stream audio, and lock computers without extra hardware, suitable for command rooms, IT desks, and home users.
United States
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.
Australia
Turn your Mac, Windows, and Linux computers into one seamless workspace with shared keyboard, mouse, clipboard, file transfer, and virtual displays.
Cross-platform utility tool for seamless mouse, keyboard and clipboard sharing and usage in multi-display, single and multi-device setups.
United Kingdom
Cross-platform KVM software to share one mouse, keyboard, and clipboard across multiple Windows and macOS computers over your local network.
This program will let you use two screens on two different computers as if they were connected to the same computer. It even works between different operating systems.
GiMeSpace KVMShare Pro is one of the very few real KVM software sollutions that not only shares mouse and keyboard but really allows you to share video in the form of windows on the screen of connected computers while using minimal bandwidth.
NetherlandsEU
