spcrngr 

A .NET library to parse an Intel HEX file and emit a representative memory representation.

A library to upload an Intel HEX file (e.g. compiled sketches) directly to an Arduino over a (USB) serial port without having to use the Arduino IDE (or avrdude).

Library to connect, drive and debug an Arduino (UNO) directly from within Visual Studio (through the USB serial connection).

A cross-platform (.NET Core) Atmel AVR / Arduino disassembler, written in C#.