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Switcheroo vs Seelen UI: catalog facts
Switcheroo	Seelen UI
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows	Windows
Replaces repeated Alt-Tab cycling with a searchable window list.	Offers configurable panels, launching and window-management features.
Only searches windows that are already open.	Deep desktop customization may interact with other shell extensions.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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