TinkerTool - Tinker with the hidden settings of your Mac
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Onyx by Titanium - This website provides operating system utilities for macOS
Listary - Listary is a revolutionary search utility for Windows
Cocktail - General purpose system modify/repair utility
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.