Q# is described as '(pronounced as Q sharp) is a domain-specific programming language used for expressing quantum algorithms. It was initially released to the public by Microsoft as part of the Quantum Development Kit' and is a programming language in the development category. There are more than 50 alternatives to Q# for a variety of platforms, including Windows, Linux, Mac, BSD and Web-based apps. The best Q# alternative is Python, which is both free and Open Source. Other great apps like Q# are Java, JavaScript, C++ and Rust.