What are some alternatives?
When comparing Wox and Keypirinha, you can also consider the following products
Listary - Listary is a revolutionary search utility for Windows
Alfred - Your To-Do List. Done.
Cygwin - Cygwin is a set of tools that provide Linux and POSIX functionality to Windows.
Process Hacker - Process Hacker is a feature-packed tool for manipulating processes and services on your computer.
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.
ueli - This is a keystroke launcher for Windows and macOS.