Syndication has often be announced dead just to still stick around. Parse and generating good RSS feeds isn't especially hard, but also something you don't necessarily want to have to do yourself. There are some libraries and packages to help you with that.
Library for serializing the RSS web content syndication format
A simple script that exposes RSS entries as mail messages, pushed directly using IMAP
A unified feed parser that handles Atom, RSS 2.0, RSS 1.0, RSS 0.x and JSON Feed
A command line podcast manager
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