IFTTT and Zapier are spiritual successors to Pipes, although their focus is on APIs vs feeds.
Maybe start a new, open source version of Pipes?
Maybe start a new, open source version of Pipes?
Maybe im dreaming about a free version of Percolate, which I have heard is really cool.
Pipes would often get blocked by 3rd party data providers, which motivated me to roll my own library.
No graphical interface. Personally, I found Y! Pipes UI hard to work with when I needed to build large pipelines.