Had several, this is the biggest one: http://findforme.net http://findforme.net I had a total absolute blast coding it the summer before last (python and djan

Had several, this is the biggest one: http://findforme.net http://findforme.net I had a total absolute blast coding it the summer before last (python and django, interfacing with the Amazon affiliate program REST apis). But I never managed to build a user base for it (probably because it's just too complex to use), and eventually moved my focus elsewhere.