Productivity

Cross-device input and screen sharing for multi-device workflows

Sidewise · One mouse and keyboard across your Mac, PC, Linux box and phone

WatchingDraft scoreMature market · since 2006 · AI estimate

52PWAS score

Confidence

Based on 9 of 9 factors

Overview

AIThis description was written by a model from public signals. The facts behind it are listed under Evidence.

Problem: Users working across multiple computers and phones struggle to switch between devices, manage separate input peripherals, and coordinate content across screens. They need seamless control and data flow between Mac, Windows, Linux, and Android devices on the same desk.
Solution concept: A unified input and display bridge that lets users control all their devices with a single mouse and keyboard, share clipboard, notifications, and visual real estate across screens without requiring network infrastructure or cloud accounts. The product would work locally and privately between devices.
Who has it: Knowledge workers and developers who use multiple computers (Mac, Windows, Linux) and phones simultaneously for their workflow.
How they handle it today: Today they manage multiple mice, keyboards, or touch input devices, switching context manually between separate screens, and copying/pasting or transferring files between devices.
Why now: Not stated in the source. The signal mentions removal of a "shared network requirement," suggesting recent technical progress in point-to-point connectivity that removes a prior barrier to adoption.
How it could charge: Not stated in the source. Inference: subscription tiers for advanced sync features (e.g., faster clipboard sync, file transfer quotas, priority support), or one-time license for power users; freemium model with paid tier for professional use.

Verdict

Computed from the factor scores below, never written by a model. It decides nothing on its own: only the gate makes an opportunity a build candidate.

Score breakdown

A model sorted each factor into a rubric bucket; code turned buckets into numbers. Unknown factors are left out of the score and lower confidence instead.

Market validation

Confidence 95 · 2 evidence · Multiple established competitors (Synergy, KDE Connect, Phone Link) demonstrate clear demand, and the new solution gained 1968 stars in 17 days showing strong user interest.

Revenue evidence

Confidence 95 · 1 evidence · Synergy, a direct competitor in this space, has public pricing with three paid plans, demonstrating that customers pay for cross-device input solutions.

Growth

Confidence 95 · 1 evidence · The new GitHub repository gained 1968 stars in 17 days, showing breakout momentum compared to typical repository adoption rates.

Problem severity

Confidence 30 · Judged from the description · Managing multiple input devices, switching context manually, and coordinating content across screens causes recurring friction that costs knowledge workers and developers time and attention regularly.

Economic proximity

Confidence 30 · Judged from the description · Input and screen sharing improve productivity and workflow efficiency but do not directly sit at the point of sale or cost recovery; they are productivity optimization tools.

Distribution

Confidence 30 · Judged from the description · Cross-device input and screen sharing is a private tool used between the user's own devices; the product does not expose itself to non-users through shared outputs or public embedding.

Buildability

Confidence 30 · Judged from the description · Building a credible version requires device drivers, OS-level input interception, network coordination (or local protocol work), and support across multiple operating systems (Mac, Windows, Linux, Android), making this complex and requiring substantial integration work.

Differentiation

Confidence 70 · 1 evidence · The solution removes the requirement for shared network infrastructure, a documented barrier in existing products, addressing a clear gap that users and incumbents have left open.

Retention and timing

Confidence 95 · 1 evidence · Cross-device control is part of daily workflow for multi-device professionals, creating daily recurring usage, and the growth in interest suggests strong current timing tailwinds.

Risk penalties

Depends on one platformThe solution requires deep integration with multiple operating systems (Mac, Windows, Linux, Android) and their input systems, but it is not dependent on a single platform's API or ecosystem.−2

Score history

64 · confidence 53 · config v1First score · 31 Oct 2026
52 · confidence 62 · config v1Evidence changed · 1 Nov 2026

Cross-device input and screen sharing for multi-device workflows

Overview

Verdict

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Score breakdown

Risk penalties

Score history

Validation gate

Evidence · 6 items

Market validation

Revenue evidence

Growth

Differentiation

Market

Existing products

Build

Legal reconstruction check

Community