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Card 621 of 9752026-09-23 issue

Observed arrival · 2026-09-23

Powerspaces gives each Mac desktop its own Dock

powerspaces.app Visit website
Editorial interest 78/100 Selection signal · not a rating of the site

A free, open-source macOS utility that adds per-Space Dock behavior, local app launching, and desktop-specific window switching while leaving Spaces and Mission Control in place.

Landing page captured for the 2026-09-23 issue.
For
Mac users who work across multiple Spaces
Worth noticing
It uses macOS Accessibility permissions, avoids SIP changes and screen recording, and is described as a notarized native Swift app.

Field notes

The install path is a Homebrew cask, with a copy control and a short terminal walkthrough. The homepage says the app relies on macOS Accessibility rather than SIP changes, kernel extensions, or screen recording; it also lists a per-monitor Dock, configurable placement and auto-hide, per-app window rules, a CLI, and a Raycast extension. AltTab’s desktop-only window cycling is described as a one-click setup.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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powerspaces.app

Landing page observed 2026-09-23. The live site may have changed.