After a few years I still use Listary as my main search/launcher. It's very quick, has a very nice look and great system of filters and projects. There are problem with new version to be released, but I'm talking about version number 5.
USB Raptor - Lock and unlock your computer using USB flash drives as keys.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Near Lock - A new way to lock your Mac. Just walk away.
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.
VSUsbLogon - Free software for Windows, Encryption Software for Windows, Video Downloaders, Login to Windows via USB device, Logon Screen Customization
Wox - An effective launcher for windows. A full-featured launcher, access programs and web contents as you type. Be more productive ever since. Wox is free for use and open-sourced at Github, Try it now! Download .