Meta Search - Search your Desktop, Google Drive, Dropbox, Gmail, Evernote.
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.
Findo - Your smart search 🔍 assistant across personal cloud ☁️
Keysmith - Create custom keyboard shortcuts for your Mac and the web
FYI - Find your documents, like magic 🔮
Power Menu for Finder - The workflow enhancing Finder extension for Mac