Would you believe that's running on Windows 10 in Jupyter Lab? And everything you see on the screen there is actually running in my browser window (and I tend to use Vivaldi when I'm working with content).

Yes, it's an integrated multilanguage IDE/data research environment which runs in a web browser as its primary interface, with draggable windows, frames, built-in management systems – the whole 9 yards.

I have no idea how I got by as a programmer many many years ago without something this nice.

Also – it's free.