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Control other computers on your local network with a single mouse and keyboard

Use the keyboard and mouse of one computer to control nearby computers. Copy and paste between all of your computers with shared clipboard. Download for Windows, macOS, and Linux.

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Synergy desktop

For tech enthusiasts

Used by millions of hobbyists, freelancers, and more

However you use multiple computers, Synergy lets you focus on doing what you do best.

Designer desktop

Stay in your creative flow

Many artists use a Mac for creative work and a Windows PC for specific tools or older software. Synergy lets one keyboard and mouse control both computers as if they were one, so you stay focused on creating instead of switching devices.

Computers shaking hands
Customer stories

Real world applications

Our enterprise customers cut complexity, speed up delivery, and simplify operations. Read the case studies to see how they did it with Synergy.

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Trusted by enterprise

26% of the Fortune 1000 use Synergy

Leading organizations—including Google, Amazon, Apple, Intel, Nvidia, Cisco, GE, and HP—use Synergy to simplify complex, cross-platform environments.

Teaching screens

Unified control in mission-critical operations

In mission-critical operations, staff often work across multiple independent systems at the same time. Synergy lets a single keyboard and mouse move instantly between communication, monitoring, and control machines, reducing delays caused by switching consoles or interfaces. This keeps operators focused on decisions and execution rather than managing hardware, even under sustained pressure.

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Bob at his desk
Unified

Combine your computers

Synergy makes all your computers feel like one system. One mouse, one keyboard, one clipboard. Just move your mouse from one computer to another and start typing.

Unused keyboard and mouse
Space

Increase desk space

Synergy means you only need one keyboard and mouse, regaining valuable space on your desk. Once installing Synergy, you can put away those extra keyboards and mice.

Computers high-fiving
Accelerate

Save switch time

Conventional hardware switch devices cost precious seconds during the switch. Synergy has no delay, switching instantly as soon as you move your mouse between computers.

Mouse switching between computers
Input watch

Listens for inputs

Synergy listens to the operating system for mouse movements and key strokes, so it can tell when you move the mouse off the edge of your screen. Once it detects HID (human input device) events, it gets ready to send them over the network.

Developer desktop
Emulation

Transmits HID info

Once off the edge, the mouse cursor is then emulated on the remote computer via your LAN (local area network). Keystrokes and copy/paste data are sent to whichever computer the mouse cursor goes.

Two keyboards with a wand
Features

Security, copy/paste, and more

TLS/SSL encryption, copy and paste between computers, hotkeys, key swapping, and screen layout configuration.

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Trusted by Millions

Loved by Customers

Great software is only half the story — it matters even more that help is there when you need it. Whether you're a business or a personal customer, our support team is quick, clear, and genuinely helpful.

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Synergy 3

Synergy 3 is here!

Introducing Synergy 3, the next big step for multi‑computer productivity. We completely rebuilt our GUI from the ground up, and implemented a brand new auto-config and auto-discovery feature.

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Our backbone: Synergy 1

Our rock solid enterprise-grade product, Synergy 1 is a mature application backed by decades of development. It's used as the Core of Synergy 3, and remains our proven solution for business-critical deployments.

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OSI

We proudly support open source software

Learn more about our involvement in open source and how you can become part of our open source community. Synergy supports projects like Deskflow by contributing code and financial support.

Our involvement
KVM switch

Software or hardware KVM switch?

Synergy works like a software KVM, but without video. Unlike hardware KVM switches, it does not require cables or physical setup, and avoids the lag and reliability issues common when switching between machines.

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Control multiple computers with one mouse and keyboard.

It's an idea so simple, you'll wonder how you ever worked across your devices without it.

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Have any questions? Learn more about Synergy or get in touch.

🇺🇸 🇬🇧 🇨🇦 Designed in California, USA. Built and maintained in U.K. & Canada.