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**Deskflow** is a free and open source keyboard and mouse sharing app.
Use the keyboard, mouse, or trackpad of one computer to control nearby computers,
and work seamlessly between them.
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Deskflow acts as a software KVM (without video) that allows you to:
- Share keyboard and mouse input across multiple computers
- Synchronize clipboard content between machines
- Work seamlessly across different operating systems (Windows, macOS, Linux, BSD)
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Deskflow software consists of a **server** (primary computer) that shares its input devices and **clients** (secondary computers) that receive and execute the input commands over a TCP network connection.
### Architecture Overview
Deskflow is built with a modular, cross-platform architecture:
```
┌─────────────────┐ Network Protocol ┌─────────────────┐
│ Server App │◄──────────────────────►│ Client App │
│ │ (Port 24800) │ (Windows) │
│ ┌─────────────┐ │ │ ┌─────────────┐ │
│ │ Screen │ │ │ │ Screen │ │
│ │ Platform │ │ │ │ Platform │ │
│ │ Layer │ │ │ │ Layer │ │
│ └─────────────┘ │ │ └─────────────┘ │
└─────────────────┘ └─────────────────┘
┌───────┐ ┌───────┐
│ Keyb. │ │ Mouse │
└───────┘ └───────┘
┌─────────────────┐
│ Client App │
│ (macOS) │
│ ┌─────────────┐ │
│ │ Screen │ │
│ │ Platform │ │
│ │ Layer │ │
│ └─────────────┘ │
└─────────────────┘
┌─────────────────┐
│ Client App │
│ (Custom) │
│ ┌─────────────┐ │
│ │ Screen │ │
│ │ Platform │ │
│ │ Layer │ │
│ └─────────────┘ │
└─────────────────┘
```
### More info
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For more info, see our [Wiki ](https://github.com/deskflow/deskflow/wiki ).
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Check out our [Building guide ](build.md ) or our general @ref contributing_guide "Contributing section". We also have a detailed [Protocol Reference ](protocol_reference.md ).
