The best free alternative to Duet Display is TeamViewer. It's not free, so if you're looking for a free alternative, you could try TeamViewer or RustDesk. If that doesn't suit you, our users have ranked more than 25 alternatives to Duet Display and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Duet Display are AnyDesk, NoMachine, Deskreen and Tab Display.
Remotely access and control any PC or server in seconds with secure encrypted connections, fast setup, file transfers, VoIP voice, webcam integration, multi-platform compatibility, and application selection, making support and collaboration seamless and efficient.
Provides secure, cross-platform remote access and file sharing with no registration needed. Offers end-to-end encryption, self-hosting, multi-monitor support, screen sharing, and portable use, all with a lightweight, ad-free interface.
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.
Efficient app for secure remote access and file transfers across desktop and mobile devices. It's small, fast, and ideal for both enterprise and personal use, compatible with systems like macOS, Windows, and Linux, and offers features like session recording and custom branding.
Access remote computers easily with enterprise-class speed and features supporting any content including audio and video.
Deskreen turns any device with a web browser to a second screen for your computer
Tab Display seamlessly transforms your tablet into a second monitor, allowing you to extend your screen and stream the virtual display directly to your device. This app supports both Android tablets and iPads for use with Windows and Mac environments.
Weylus turns your tablet or smart phone into a graphic tablet/touch screen for your computer.
superDisplay turns your Android device into a portable USB display for your Windows 10 PC. Duplicate or extend your screen simply by plugging in your phone or tablet.
Luna requires a proprietary adapter from them.
Remote control and support tool for Windows offering screen monitoring, chat, and file transfer, allowing users to assist clients, share files, manage multiple sessions, while partners oversee and manage permissions during support.
A small, fun app that helps you use your iPad as an external HDMI display for any camera, video game console, or even VHS.
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Free and effective, works well, need I say more?