Input Director is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux alternative is Synergy. It's not free, so if you're looking for a free alternative, you could try Barrier or Input Leap. If that doesn't suit you, our users have ranked more than 10 alternatives to Input Director and seven of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Input Director are Cursr, across, x2vnc (win2vnc) and Lan Mouse.
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.
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.
Works great between different OSs such as Linux and Windows
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.
Cross-platform utility tool for seamless mouse, keyboard and clipboard sharing and usage in multi-display, single and multi-device setups.
This program will let you use two screens on two different computers as if they were connected to the same computer.
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It's free and works with just a few settings