DockDoor is a free and open-source application that lets you easily switch between windows on macOS.

Features

See window previews when hovering over dock icons, just like Windows 10.

Close, minimize, and maximize windows directly from the dock preview.

Windows-style Alt+Tab application switching for better multitasking.

Adjust preview appearance and behavior to match your workflow.

Minimal resource usage to keep your Mac running smoothly.

No tracking, no analytics, no data collection - your activity stays private.

Pricing Plans

per lifetime