The best alternatives to kmenu are Alfred, Bidbar, and Turbo Delete. If these 3 options don't work for you, we've listed a few more alternatives below.
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Alfred is a productivity application for macOS, which boosts your efficiency with hotkeys, keywords and text expansion. Search your Mac and the web, and control your Mac using custom actions with the Powerpack.
Features: • Save and edit unlimited commands in the menu bar • Run and copy commands using keyboard shortcuts • Get notifications when commands finish running • View the output of commands in a clean, minimal window
Turbodelete is a blazing fast alternative to the default Windows delete function. TurboDelete integrates with your context menu as well as the command-line!
With Osara, you can access your app's menu with a simple keyword shortcut. No need to remember the complicated key combos for every app anymore! It's like Spotlight but focuses on app menu items.