Magny.io - Magny is a navigation, universal search and helper for apps in order to help users understand app features better and onboard faster, with a focus on increasing user experience.
OK Google - Explore over 150 Google Now voice commands in one place
kbar - ⌘ kbar is a fully extensible command+k interface for your site.
Paletro - Enable command palette (⇧⌘P) in any application on macOS
react-cmdk - Build your dream command palette
Bestee - The world's fastest and only offline virtual assistant.