rcmd - rcmd makes app switching instantaneous!When you have a lot of apps open, finding and switching to them might feel too slow using Command-Tab or the Dock.Hold down the right side |⌘ command| and press the first letter of the app name to focus it.
Charmstone - The quicker switcher launcher for macOS
SwitchGlass - Customizable app switcher for Mac
Lacona - Fast, simple, powerful keyboard-driven commands for Mac
Contexts - Switch between application windows effortlessly — with Fast Search, a better Command-Tab, a Sidebar or even a quick gesture. Free trial available.
YipYip! - YipYip lets you get in the flow and fly through the web 10x faster!It's an always-on search & keyboard navigation assistant that turns Gmail (and any other website) into a keyboard-first product.It's also open source!