With .NET 6 Preview 3, you can use hot reloading with your ASP.NET Core apps. Hot reloading supercharges your productivity and allows you to see your changes in real-time. 

ASP.NET Core 2.0 MVC File Upload with MS SQL SERVER FileTable 

Loading ASP.NET Core MVC Views From A Database Or Other Location 

5 Factors to Consider When Converting a WebForms App to ASP.NET MVC Core

ServiceStack is an open source framework designed to be an alternative to the WCF, ASP.NET MVC, and ASP.NET Web API frameworks. 

The .NET team has built a linker to reduce the size of .NET Core applications. It is built on top of the excellent and battle-tested mono linker. The Xamarin tools also use this linker so it makes sense to try it out and perhaps use it everywhere! 

.NET Beginner Video Series - If you're looking for a fun introduction to .NET development for mobile, web, and more, our .NET video series are a great place to start. Check out the bite-sized videos for an introduction to different .NET technologies and interactive tutorials.