Onyx by Titanium - This website provides operating system utilities for macOS
Shortcuts.design - Every shortcut for designers in one place!
MacPilot - Unlock over 1200 features in Mac OS X and optimize your system!
KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
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.
Dockey - Make your macOS Dock faster