HIDSharp is a cross-platform .NET wrapper for Windows, MacOS, and Linux (hidraw) USB HID APIs.
It can interface with arbitrary USB HID devices as well as read and write raw reports.
It also includes cross-platform serial port communications and supports interprocess communication for...
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usb-serial-for-android is a driver library for communication with Arduinos and other USB serial hardware on Android, using the Android USB Host API available on Android 3.1+.
No root access, ADK, or special kernel drivers are required; all drivers are implemented in Java. You get a raw serial port...
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A cross platform library for communicating with the Satoshi Labs' Trezor Hardware Wallet. Supports Android, UWP, .NET Core and .NET Framework with Hid.Net. Support for other platforms can be added with Hid.Net dependency injection
WPF implementation of a USB monitor to signal if a USB device is plugged in or out. This implementation if Forms free and can also be used by MVVM. Documentation included.
This package contains a library that allows you .net app to comunicate to a FTDI USB chip. It wraps the D2XX API into a nice OO .net library. The Library can also be used on Linux using Mono.
.NET Standard 2.0 Implementation of ESC/POS command generation and integration with thermal printers.
Allows creating receipts with all common functionality supported.
This is a generic USB library I have had around for quite some time for handling of events and sending of byte commands to USB devices. I do not know who the original author is, but am happy to update if anyone knows.