Yes, .net is very easy and comfortable language, because it's apply tools. but I thing java is the best language to develop operating system project or any website.
Java require less hardware, easily and fast run any os and it's provide a .net framework and it's platform is independent.
Dot Net for web development is relatively extensible as it doesn't hook itself around a particular programming language. . Net core development services can play a vital role in developing an app that seamlessly brings together user experience across multiple platforms.