ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
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.
LightShot - The fastest way to take a customizable screenshot.
Listary - Listary is a revolutionary search utility for Windows