f.lux adjusts computer screen lighting for the time of day, reducing the blue glow of a display at night.
SpaceDesk
spacedesk extends a computer display to other devices over USB, Wi-Fi, or LAN, with viewers for mobile and Windows.
About SpaceDesk
SpaceDesk is a software tool that extends or mirrors a Windows computer's display onto other devices. The homepage describes a driver for Windows 11/10 and macOS on the primary computer, and viewers for Android, iOS, Amazon devices, Windows, and HTML5 browsers on the receiving device. Connections can be made over USB, WiFi, or LAN.
The homepage describes use cases such as a second screen for travelers, presenters using a tablet or projector viewer, and a software KVM switch that lets one keyboard and mouse control several devices. The homepage lists a mobile device as webcam feature as "Available Soon", so it should not be treated as currently available. Pricing is not stated on the homepage.
Key features
- Extends a Windows desktop to tablets, phones, or laptops as an extra monitor
- Mirrors or duplicates Windows desktop content over WiFi, USB, or network cable
- Turns a Windows tablet into a drawing surface with stylus input
- Software KVM switch for controlling a Windows machine with another device
- Redirects audio output from a Windows machine to connected devices
- Video wall mode for displaying content on a screen, with rotation options
Best for: Windows users who need an additional display or a remote screen on a tablet, phone, or laptop, such as travelers, presenters, and educators.
Good for
- Supports USB, WiFi, and LAN connection methods
- Viewers are listed for Android, iOS, Windows, and HTML5 browsers
Watch out for
- The desktop extension, mirroring, and control features are described for a primary Windows machine
- The mobile device as webcam feature is marked "Available Soon" on the homepage
SpaceDesk at a glance
- Website
- spacedesk.net
- Category
- Software & Utilities › Hardware & Diagnostics
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, macOS, Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
SpaceDesk alternatives
Tools and sites you could use instead, ranked by how closely they match.
Deskreen shares a computer screen to devices through a web browser, including phones, tablets, and other computers.
Dimmer provides brightness controls for multiple computer displays through a small Windows application.
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SpaceDesk FAQ
Which viewers are available?
The homepage lists viewers for Android, iOS, Amazon, Windows, and HTML5.
Which connection methods does SpaceDesk support?
The homepage states that it works over USB, WiFi, and LAN.
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