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DockDoor vs DockView: catalog facts
DockDoor	DockView
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid Paid app with a free trial.
macOS	macOS
Hovering a Dock icon previews every open window for that application, which macOS otherwise leaves you guessing about.	Live thumbnails for every open window of an app Previews minimized windows in the Dock
This is the free application; the separately sold DockDoor Pro holds the extra features, and it needs accessibility…	macOS 14 or later only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 October 2, 2026

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