AVRDisassembler is a new open source, cross platform (Windows, Mac, Linux) disassembler for the AVR microcontroller platform, written in C# (.NET Core). It supports the full instruction set as described by the ATMEL 0856 Instruction Set Documentation. The code is made available under the MIT license.
Note: Full source code for the disassembler can be found on GitHub: AVRDisassembler.
Command line usage Using the disassembler is very straightforward.