Getting exposed to dotnet Core. In a sample test application trying to setup EntityFramework.Core in dotnet core app. While I was able to add the EntityFramework.Core NugG
As an alternative to an EDMX, there is an open-source extension available to do visual modeling and generate code-first EF contexts and classes. It can consume both a compiled assembly containing a DbContext as well as existing entity class C# code to facilitate bootstrapping the model. Available at:
https://marketplace.visualstudio.com/items?itemName=michaelsawczyn.EFDesigner https://github.com/msawczyn/EFDesigner
Full disclosure: I'm the original author and maintainer.