In some respects at least as good as any other Swift playground product, and its AppleScript support has improved considerably. But in other respects still falls short. In a class of one.
Scriptarian
Running shell scripts from Swift playgrounds is easy, but there’s more work needed to support droplets and folder actions.
A success at last: scripting file operations works now. But don’t trust much of the documentation; it just frustrates.
A frustrating first day trying to get Xcode’s Swift playgrounds to display simple dialogs and alerts.
Can this app really offer a “modern alternative to AppleScript”? Probably not yet, but it is young, and still an excellent Swift playground.
The best response to change is to see how you can exploit it. Let’s get ahead of the field, for once.
An extensive listing of books, courses, example code libraries, coding environments, and more to help you get going in Swift 3.
The Eclectic Light Company 