Win32 Disk Imager - Create and restore image backups of disk drives.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Rust - A safe, concurrent, practical language