Spacedesk is described as 'Extend or mirror your Windows desktop using local network-connected devices like Android, iOS, and others as additional monitors' and is a very popular screen mirroring app in the os & utilities category. There are more than 25 alternatives to Spacedesk for a variety of platforms, including Windows, Mac, Android, iPhone and iPad apps. The best Spacedesk alternative is Side Screen, which is both free and Open Source. Other great apps like Spacedesk are Deskreen, Multiplicity, Weylus and Duet Display.
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.
Vietnam
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.
Ukraine
Multiplicity offers a virtual KVM solution, managing several computers with one keyboard and mouse. Its remote modes enable cursor transition across monitors and centralized control. Users can transfer files, stream audio, and lock computers without extra hardware, suitable for command rooms, IT desks, and home users.
United States
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.
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.
United States
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.
QtScrcpy connects to Android devices via USB (or via TCP/IP) for display and control. It does NOT require the root privileges.
China
Convert an Android device into a high-performance USB monitor for Windows 10, enabling duplication or extension of the desktop, low-latency operation, graphics tablet functionality, pressure-sensitive stylus use, and compatibility with phones or tablets.
Finland
EU
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.
United States
Turn your Mac, Windows, and Linux computers into one seamless workspace with shared keyboard, mouse, clipboard, file transfer, and virtual displays.
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!.
Hong Kong SAR China
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.
United States
