.NET
ASP.NET
ASP.NET is a mature framework that provides all the services needed to build enterprise-grade,
server-based web apps on Windows.
ASP.NET Core (.NET Core)
ASP.NET Core is an open-source, cross-platform framework for building modern, cloud-based web apps
on Windows, macOS, or Linux.
Why use ASP.NET Core?
Millions of developers have used (and continue to use) ASP.NET 4.x to create web apps.
ASP.NET Core is a redesign of ASP.NET 4.x, with architectural changes that result in a
leaner, more modular framework.
.NET Downloads
Misc. .NET info
https://www.microsoft.com/net/
ASP.NET info
How to: Determine which .NET Framework versions are installed PDF file
Targeting .NET Platforms
.NET API Browser
.NET Framework 4.7.1 - System Namespace
Choosing between .NET Core and .NET Framework for server apps
Choose between ASP.NET and ASP.NET Core
MVC recommended tutorials and articles
.NET API Browser
ASP.NET Core
ASP.NET Documentation (ASP.NET Core)
Download .NET Core 3.1
Introducing .NET Core (MSDN .NET Blog)
Introduction to ASP.NET Core
.NET Core Guide
Get started with ASP.NET Core MVC
Get started with ASP.NET Core MVC and Visual Studio (2.1)
Get started with ASP.NET Core MVC (3.1)
Create an ASP.NET Core app with user data protected by authorization (3.1)
Learn .NET Core and the .NET Core SDK tools by exploring these Tutorials
Build a C# Hello World application with the .NET Core SDK in Visual Studio 2017
.NET Core CLI overview
.NET Core SDK telemetry
Exploring the new .NET dotnet Command Line Interface (CLI) (Scott Hanselman blog)