Ueli is the best but still I think I have to change it to microsoft search application not bing or floating immersive ui search
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.
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.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Gnome Do - Simple, sleek, swift, smart. Do. GNOME Do allows you to quickly search for many items present on your desktop or the web, and perform useful actions on those items. GNOME Do is inspired by Quicksilver & GNOME Launch Box.
Listary - Listary is a revolutionary search utility for Windows
dmenu - dmenu is a dynamic menu for X, originally designed for dwm.