Rocket is an application launcher for KDE Plasma. It sorts all of your applications in a horizontal grid alphabetically, so you will always find what you are looking for at first glance. No more menu navigation, only scrolling.
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Dock Alternatives
Dock is described as 'In macOS, the Dock is used as a repository for any program or file in the operating system. It can hold any number of items and resizes them dynamically to fit while using magnification to clarify smaller resized items' and is a application launcher in the os & utilities category. There are more than 25 alternatives to Dock for a variety of platforms, including Windows, Mac, Linux, BSD and KDE Plasma apps. The best Dock alternative is Raycast, which is free. Other great apps like Dock are RocketDock, Leader Key, Cairo-Dock and Docky.