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spinwin

macOS menubar app that visually rotates or spins another app's window, using ScreenCaptureKit to fake what macOS has no API to do

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What is it?

What it is

A macOS menubar utility that visually rotates a selected window by any angle (90° increments, arbitrary angles, or a continuous spin).

Why it exists

macOS menubar app that visually rotates or spins another app's window, using ScreenCaptureKit to fake what macOS has no API to do

Who should use it

Teams building with Swift who want an open-source, self-hosted option.

Who should avoid it

Teams that need a fully managed SaaS with enterprise SLAs out of the box.

How it works

A quick walkthrough in plain English

How spinwin works

Step 1 of 3

You interact with it

Open spinwin, send a request, or connect it to your stack.

Features

Accessibility Api
Coreanimation
Macos
Macos App
Menubar
Screencapturekit

Advantages

  • Open source (MIT)
  • Active Swift ecosystem
  • Self-hosted deployment options

Disadvantages

  • Requires operational ownership for self-hosted setups
  • Community support varies by project maturity

Installation

native

./scripts/build-app.sh          # builds SpinWin.app (release)
open SpinWin.app              # grant Screen Recording + Accessibility

FAQ

What is spinwin?

spinwin is an open-source project licensed under MIT.

What language is spinwin built with?

Primary language: Swift.

Is it free to use?

Yes. Licensed under MIT. Check the license for commercial use.

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