Spacedesk is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Duet Display. It's not free, so if you're looking for a free alternative, you could try Deskreen or Weylus. If that doesn't suit you, our users have ranked more than 25 alternatives to Spacedesk and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Spacedesk are Tab Display, Side Screen, QtScrcpy and EasySwitch.
Turns iOS or Android devices into efficient second displays or graphics tablets for Mac and PC, delivering zero-lag, high-resolution output with touch, gesture, and touch bar support, hardware-free setup, secure remote desktop capabilities, and end-to-end encryption.
Enables any device with a browser to act as a second screen for computers, featuring secure end-to-end encrypted streaming, entire screen or app sharing, multi-device connections, cross-platform support, advanced video quality controls, and easy WiFi setup.
It is much faster on browser.
It's just a tool to mirror your screen to any other device via web. It happens that if you have a virtual second monitor (HDMI dummy) you can share that as your second monitor.
Transforms tablets or smartphones into graphic tablets or touchscreens for computers, enabling mouse control, screen mirroring, hardware video encoding, keyboard input, stylus support with pressure and tilt on Linux, multi-touch, window capture, and use as a second screen.
I like this software. It's lightweight and easy. I try my smartphone and it worked
Allows extension of a Mac or Windows workspace to iPad, Android, macOS, or Windows devices as portable second screens, supporting multiple connections, wireless linking, cross-platform use, and practical multitasking like separating documents, chat, or meetings.
Transforms any Android tablet into a Mac's second monitor using USB-C for low latency or WiFi with QR pairing, featuring H.265 hardware streaming, touch input, HiDPI support, lightweight design, Gaming Mode, open-source customization, and virtual display window management.
QtScrcpy connects to Android devices via USB (or via TCP/IP) for display and control. It does NOT require the root privileges.
It mirrors phone to desktop, not desktop to phone
Turn your Mac, Windows, and Linux computers into one seamless workspace with shared keyboard, mouse, clipboard, file transfer, and virtual displays.
Transforms a tablet or smartphone into an additional wired display using USB for Windows or Mac, enabling high-performance multitasking, touch control, auto landscape or portrait mode switching, support for creative and office apps, and secure connectivity.
Use your iPad as a wireless display, to extend your Mac desktop. Ever wish you had an extra display for your computer? There’s an app for that! With Air Display, you can use your iPad as an additional monitor for your Mac (Windows no longer supported)
LetsView is a free screen mirroring app that allows users to mirror their screen to a larger display in real time, offering superior quality without lag. Easily connect by scanning the QR code!.
Transforms an iPad into a professional drawing tablet for Mac and PC, featuring customizable shortcuts, Magic Gestures, pressure sensitivity with selectable curves, hover support for new pencils, quick keys, and seamless wireless or wired connectivity for artists.
Wireless streaming sends Android or iOS to Mac or Windows, supports Android device control via PC mouse and keyboard, records device screens, captures screenshots, mirrors audio, handles multiple devices at once, file transfers, annotation tools, and secure privacy options.
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Can only use to mirror screen - not extend desktop & it has to run through a browser window.