free Visual Studio 2015 C# and VB.NET Revit Add-in Wizards for Revit 2017. He describes these as "simple" wizards. Now Jeremy has posted about alternative and "more advanced and convenient" Visual Studio templates as created by Andrey Bushman for creating Revit add-ins with C#.
You can read Andrey's very detailed post about his templates on his blog.
You can read Jeremy's post, which expands on the subject, on his The Building Coder blog.