Show HN: macOS window switcher replacement that keeps each Space separate

Category: cli-tool

Tags: macos, window-management, productivity, swift, accessibility

Score: 7.0/10 (Innovation: 6, Technical: 8, Documentation: 8, Utility: 6)

Debut is a macOS window switcher that replaces Command-Tab with a workspace manager showing window previews grouped by Space, allowing window moves between Spaces and instant Space switching. It is technically ambitious, relying on Accessibility APIs and private macOS behavior to achieve features like staged window moves and desktop reordering. The project is well-documented and fills a real gap for power users frustrated by macOS's cross-Space app switching.

Target audience: macOS power users, developers, and productivity enthusiasts

Repository: https://debutspace.com/ · Swift · GPL-3.0 · 7 stars

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