Thought this was cool: Hadoop Mortar
I got this from Carlos Guestrin. Hadoop Mortar is an interesting software as service framework which allows running python and pig scripts on top of Hadoop:
It has a very nice “Illustrate” functionality which helps debug the code even before it is actually executed. Reminds a little the functionality of data wrangler.
from Large Scale Machine Learning and Other Animals: http://bickson.blogspot.com/2012/11/hadoop-mortar.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+blogspot%2FsYXZE+%28Large+Scale+Machine+Learning+and+Other+Animals%29