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.
Tetris.com - Tetris Friends is an Online, Puzzle, Single and Multiplayer video game created by Tetris Online, Inc.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Cultris II - Cultris II is a Puzzle, Single and Multiplayer video game with Split Screen element.
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.
Not Tetris 2 - Not Tetris 2 is an Addictive Physics-based puzzle video game that offers a new style of Tetris experience in which block is no longer bound to the usual grid.
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 .