Quadros Systems, Inc. | Embedded USB Device Solutions - Quadros Systems, Inc.
CherryUSB - A lightweight USB device/host stack for embedded systems - CNX Software
Advice on Hardware\Software Stack for Composite USB HID Device - PlatformIO Community
USB host-side drivers in Windows - Windows drivers | Microsoft Docs
RL-ARM User's Guide (MDK v4): RL-USB Device Software Stack
EUSB Device Embedded USB Device Stack - Embedded Access
USB device stack - API references and tutorials | Mbed OS 6 Documentation
MQX™ USB Host/Device Stack | NXP Semiconductors
Architecture of HID over USB transport - Windows drivers | Microsoft Docs
Hitex: Keil USB Stacks
CDC-NCM
USB Protocol Stack V2.0 | USB Protocol Stack V3.2
USB Device Stack
MPLAB Harmony USB Stack
emusb
MDK MIDDLEWARE: Receiving ACK from USB Host after interrupt transfer
RL-ARM User's Guide (MDK v4): RL-USB Host Software Stack
HCC USB Stack Solutions | Renesas
Chapter 3 - Functional Components of USBX Host Stack | Microsoft Docs
File:Wireless USB protocol stack.png - Wikimedia Commons
Ways to Use USB in Embedded Systems
The USB 3.0 functional layer
