USBMonitor is an easy-to-use cross-platform library for USB device monitoring that simplifies tracking of connections, disconnections, and examination of connected device attributes on both Windows and Linux, freeing the user from platform-specific details or incompatibilities.

Collection of tools written in vb6 - ProcessKiller, DriveManager, USBManager, LocalRDP, HTTPServer

A MacOS tool that monitors USB devices. In the case it detects someone plugging in or unplugging devices it can be configured to send you an SMS or alert you via Slack of the potential security breach. I have based this tool off https://github.com/probablynotablog/usb-canary thanks @errbufferoverfl

Bad-USB (Rubber Ducky) background detection/mitigation script with logging & email notifications.

This Library List of USB devices in Windows and events for changes

Monitor USB devices connections and disconnections.

Kernel module to drive LEDs based on USB device presence/activity

A basic working tool to monitor usb, internet and intranet connections during a classroom-lab evaluation.

A program that monitor usb devices, when UsbPicProg programmer is plugged in, its software is launched

USB Monitoring System is software that allows you to keep track of the connection of USB devices to computers in your company.

USB Devices Library (WMI)