The best alternatives to Kontroll are Alfred, Swish, and Remote-Lite. If these 3 options don't work for you, we've listed a few more alternatives below.
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.
Control windows and applications right from your trackpad with intuitive swipe, pinch, tap and hold gestures.
Works with Magic Trackpad & Mouse.
Supports keyboard shortcuts.
Is your keyboard out of reach? Want to quickly change the music? Rifi is a wireless remote for your Mac which lets you control media. Say good bye to greasy keyboard, you can use vison control to control media by hovering your hand. Works with VLC, youtube...