Hummingbird alternatives

macOS Catalina offers the world’s best way to play — and add to — your collection of music, movies, TV shows, podcasts, audiobooks, and more.

Spectacle is a simple utility that allows you to easily organize your windows without using a mouse. Those familiar with similar apps will find Spectacle to be a simple and unobtrusive way to become more productive while using your Mac.

By slide in and slide out, Slidepad brings iPad style multitasking to your Mac. Using Slidepad is as easy as using your dock.

BetterSnapTool allows you to easily manage your window positions and sizes by either dragging them to one of the screen’s corners or to the top, left or right side of the screen. This enables you to easily maximize your windows, position them side by side or even resize them to quarters of the screen.

⦿ Snap windows by pressing a modifier key and moving your cursor ⦿ Snap windows with keyboard shortcuts or by dragging windows to the edge of the screen ⦿ Move & resize windows by holding a modifier key and moving your cursor ⦿ Snap windows not in focus

Divvy is an entirely new way of managing your workspace. It allows you to quickly and efficiently “divvy up” your screen into exact portions.

Layouts lets you save the layout of windows on your screen so you can restore them later. Layouts saves everything you have open so that you can always pick up where you left off.

Melisandre app is a window manager app to control other app's window using shortcut. You can find a window, move, resize it using shortcuts defined by yourself... Melisandre has time-unlimited Free Trial and allow Pro features, you can try it now.