Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
HashCheck Shell Extension - File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into 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.
RapidCRC Unicode - RapidCRC is an open source CRC/MD5/SHA hashing program.
Listary - Listary is a revolutionary search utility for Windows
Md5Checker - Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.