You don't need an IDE, just a damn browser with a web inspector. You have two independent compatible implementations of hypermedia lisp machines, both open sou

You don't need an IDE, just a damn browser with a web inspector. You have two independent compatible implementations of hypermedia lisp machines, both open source and installed on hundreds of millions of end-user machines. You can click any live object to inspect it, with tracing debuggers, REPLs, I/O analyzers, multiple domain-specific object browsers, etc. There's not really room for anything between that and a text editor.