teleport - Share M&K has been discontinued. Similar apps include Synergy. It's paid, but Mouse without Borders and x2vnc (win2vnc) are free. Other options are Spacedesk, Multiplicity, ShareMouse and across. In total there are eight Mouse Sharing Utilities like teleport - Share M&K for Windows, Linux, Mac, Android and iPhone.
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
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
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.
GermanyEU
This program will let you use two screens on two different computers as if they were connected to the same computer.
United States
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.
