libusbx is a library that provides generic access to USB devices.
As a library, it is meant to be used by developers, to facilitate
the development of applications that communicate with USB hardware.

It is portable: Using a single cross-platform API, it provides
access to USB devices on Linux, OS X, Windows and OpenBSD.

It is user-mode: No special privilege or elevation is required for
the application to communicate with a device.

It is version-agnostic: All versions of the USB protocol, from 1.0
to 3.0 (latest), are supported.

libusbx is a fork of libusb.