Since you didn't indicate you'd already seen it, here's the same question twice (with some useful answers) on SO: http://stackoverflow.com/questions/2627387/is

Since you didn't indicate you'd already seen it, here's the same question twice (with some useful answers) on SO: http://stackoverflow.com/questions/2627387/is-there-a-decent-alternative-to-yahoo-pipes http://stackoverflow.com/questions/2627387/is-there-a-decent... http://stackoverflow.com/questions/2019887/alternatives-to-yahoo-pipes http://stackoverflow.com/questions/2019887/alternatives-to-y... Personally, I think pipe2py looks interesting.