Contexts - Switch between application windows effortlessly — with Fast Search, a better Command-Tab, a Sidebar or even a quick gesture. Free trial available.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Witch - Welcome to the world of W. i. t. c. h.
Keysmith - Create custom keyboard shortcuts for your Mac and the web
VistaSwitcher - VistaSwitcher is an elegant and powerful task management utility for Windows OS.
Power Menu for Finder - The workflow enhancing Finder extension for Mac