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AeroSpace vs Amethyst: catalog facts
AeroSpace	Amethyst
Free Free and open source.	Free The open-source application is available without a license fee.
macOS	macOS
i3-style tiling on macOS Keyboard-driven control	Tiling layouts with keyboard navigation
Tiling workflow takes time to learn macOS only	Requires macOS accessibility permissions.
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.