DockDoor

DockDoor is a free and open-source macOS application designed to provide users with Windows-like Alt+Tab window switching and dock preview functionality to enhance work efficiency.

With, you can hover over app icons in the Dock to directly view all open windows and easily switch between them. Additionally, it supports middle-click to close windows, drag and drop windows, and one-click to close or minimize all windows, greatly facilitating multitasking.

Users can also customize the layout of the window switcher and Dock preview, adjusting the appearance and filter settings to suit their individual needs. DockDoor provides comprehensive keyboard control, allowing users to navigate and operate windows entirely through the keyboard, enhancing productivity.