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.
RNI Films - Real film filters for iPhone photographers
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Carbon - Create and share beautiful images of your source code.
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.
Huji Cam - Huji Cam is one of best app that makes your moments as precious as the feelings of the analog film with old memories.
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 .