osquery is a performant, cross platform daemon and shell utility for analytics, intrusion detection, and host based monitoring. It officially supports macOS, Windows, FreeBSD, Ubuntu and CentOS while also running without official support on other platforms like Arch Linux. osquery was created at Facebook and released open source in 2014 under the BSD 3-clause licence. See the osquery GitHub for more information on licensing information.
The official way to write osquery is: osquery. With no capitalization and the official pronunciation is: oh-es-query.