M# is described as 'Set of tools for rapid web application development.
M# manages 90% of the code through automation and eliminates most human errors. It has been proven to result in better, safer, and more reliable code, at least 4X faster' and is a programming language in the development category. There are more than 50 alternatives to M# for a variety of platforms, including Windows, Linux, Mac, BSD and Self-Hosted apps. The best M# alternative is Python, which is both free and Open Source. Other great apps like M# are Java, C (programming language), C++ and Rust.