I'm sad I wasn't aware of this "app" when it was around. But everytime I hear about it, it is from people who "miss" it.
If this is the case, then why nobody came up with a clone to it?
An underlying assumption with Yahoo Pipes was that interesting places on the Internet would offer APIs which have a developer UX that matches or exceeds the quality of their official UI. A mixture of unprofitability and abuse lead to this no longer being the case. Tom Scott's essay here: https://www.youtube.com/watch?v=BxV14h0kFs0
> If this is the case, then why nobody came up with a clone to it?
It was back in the Web 2.0 days when there were more open data sources and interchangeable data was a priority — RSS/Atom feeds and JSON APIs.
I think that a lot of the "no code" tools we're seeing today are direct descendants of Yahoo Pipes. In addition to the tools others have mentioned that are more directly inspired by Yahoo Pipes, there's also Zapier and other automation services that connect data from different sources.
An underlying assumption with Yahoo Pipes was that interesting places on the Internet would offer APIs which have a developer UX that matches or exceeds the quality of their official UI. A mixture of unprofitability and abuse lead to this no longer being the case. Tom Scott's essay here: https://www.youtube.com/watch?v=BxV14h0kFs0