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.
DemandSphere - DemandSphere is an advanced-level software that helps marketers to create the best digital appearances of their brands.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Boomerank - Boomerank is a complete software solution that provides you with various tools for website optimization and helps you to attract more traffic.
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.
Searchmetrics Suite - SEO Software
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 .