On May 21, 2012, at 3:24 AM, Martin DeMello wrote:

> I've been thinking about the minimal feature set a beginner-friendly
> ruby development/learning environment should have. I feel the
> following are essential:

While it doesn't cover all the things you've asked for, I think Hackety =
Hack comes pretty close in most areas. Have you taken a look at it?=20

http://hackety.com/

Wayne=