RSSHub is a lightweight and extensible RSS feed aggregator, it's able to generate feeds from pretty much everything.
Get the RSS feeds of all of my Twitter friends
Click your Youtube RSS feed
RSS/Atom based news tracker with search, republishing and mapping.FeaturesAggregate RSS/Atom newsShow news as list or on a mapSearch newsRepublish news by bundling articles into channelsConfigurable location taggingConfigurable maps