http://280atlas.com/ http://280atlas.com/ from the makers of the Cappuccino framework (currently available as a $20 beta) is definitely among the cream of the c

http://280atlas.com/ http://280atlas.com/ from the makers of the Cappuccino framework (currently available as a $20 beta) is definitely among the cream of the crop at the moment. http://pipes.yahoo.com/ http://pipes.yahoo.com/ is not a general-purpose programming environment, but its in-browser IDE is certainly top-notch.