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spacedesk alternatives: 3 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave spacedesk: the host must run Windows, and free licence expires and needs driver updates. We ranked 3 alternatives by how directly each one replaces spacedesk, then by reviews, real visits and how recently each app's facts were checked against its own website. Deskreen currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Duet logoDuetPaidNomacOS, Windows, iOS +15 of 554.5
  1. Duet logo

    1. DuetTop pick

    Best for: People who want a tablet or spare laptop as a second screen across Mac, Windows, iOS and Android

    PaidmacOS, Windows, iOS, Android

    54.5

    score / 100

    Why switch from spacedesk

    Paid but works with Mac hosts too, plus drawing-tablet and remote features.

    Pros

    • Works across Mac, Windows, iOS and Android in any combination
    • Second display, drawing tablet and remote access in one app
    • Keyboard and mouse sharing between two computers
    • End-to-end encrypted remote connections

    Cons

    • Subscription-based, with features split across plans
    • No Linux version
    • Pricing isn't listed on a plain page of its website
    Visit Duet Details and reviews
    How this score is calculated
    Editorial fit ×0.360
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Duet a good spacedesk alternative?

    Verified facts

    5 of 5 verified
    Platforms
    Mac, Windows, iOS, Android
    Checked Nov 1, 2026duetdisplay.com(opens source in a new tab)
    End-to-end encryption
    256-bit
    Checked Nov 1, 2026duetdisplay.com(opens source in a new tab)
    System requirements
    macOS 11 or later, Windows 10 or later
    Checked Nov 1, 2026duetdisplay.com(opens source in a new tab)
    Hardware needed
    None, software only
    Checked Nov 1, 2026duetdisplay.com(opens source in a new tab)
    Privacy mode
    Yes
    Checked Nov 1, 2026duetdisplay.com(opens source in a new tab)

The best spacedesk alternative for…

The highest-ranked app in this list for each need.

Deskreen logo

Best spacedesk alternative for most people

Deskreen

Free and open source on Windows, macOS and Linux, using only a browser on the device.

Weylus Community Edition logo

Best spacedesk alternative for a free option

Weylus Community Edition

Free and open source with better pen and touch support on Linux.

Deskreen logo

Best spacedesk alternative for open source

Deskreen

Free and open source on Windows, macOS and Linux, using only a browser on the device.

Duet logo

Best spacedesk alternative for Mac

Duet

Paid but works with Mac hosts too, plus drawing-tablet and remote features.

Deskreen logo

Best spacedesk alternative for Windows

Deskreen

Free and open source on Windows, macOS and Linux, using only a browser on the device.

Deskreen logo

Best spacedesk alternative for Linux

Deskreen

Free and open source on Windows, macOS and Linux, using only a browser on the device.

Duet logo

Best spacedesk alternative for iPhone and Android

Duet

Paid but works with Mac hosts too, plus drawing-tablet and remote features.

spacedesk alternatives: common questions

What is the best alternative to spacedesk?

Deskreen ranks first right now. Free and open source on Windows, macOS and Linux, using only a browser on the device. Weylus Community Edition and Duet follow it in our ranking.

Is there a free alternative to spacedesk?

Yes. Deskreen (open source) and Weylus Community Edition (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to spacedesk?

Yes: Deskreen and Weylus Community Edition.

Which spacedesk alternatives work on Linux?

Deskreen and Weylus Community Edition run on Linux.

Why do people switch from spacedesk?

The complaints we hear most: the host must run Windows; free licence expires and needs driver updates; business use requires a paid licence.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces spacedesk, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.