There are many implementations and versions of .NET. Some of the most widely used are .NET Core for cross-platform development, ASP.NET Core for web, Xamarin for mobile and the latest .NET 6 and .NET 7 versions that unify cross-platform capabilities in one space. The choice will depend on the specifics of your project, platform, performance and scalability requirements. If you need expert help on your .NET project, contact our team.