Ueli is the best but still I think I have to change it to microsoft search application not bing or floating immersive ui search
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
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.
Listary - Listary is a revolutionary search utility for Windows
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
Albert - Omnilauncher for Linux to help you quickly find and run apps and do other useful things.
Launchy - Launchy is a cross platform app launcher that also launches documents, folders and web browser bookmarks.