Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
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.
GIGATweaker - GIGATweaker is a powerfull and compact application that allows you to optimize and tweak your OS.
Listary - Listary is a revolutionary search utility for Windows