Tag Helpers 智能提示 Razor Language Services:

https://marketplace.visualstudio.com/items?itemName=ms-madsk.RazorLanguageServices

csproj文件编辑器 Project File Tools

 https://marketplace.visualstudio.com/items?itemName=ms-madsk.ProjectFileTools

 Web Essentials Web开发利器 Web Essentials 2017

https://marketplace.visualstudio.com/items?itemName=MadsKristensen.WebExtensionPack2017

Productivity Power Tools 2017 

https://marketplace.visualstudio.com/items?itemName=VisualStudioProductTeam.ProductivityPowerPack2017

VS2017开发的IDE扩展