"a service for Amazon Kindle owners that lets you aggregate your favorite feeds and have them delivered to your Kindle in a convenient, easy-to-navigate format"

Turns Flickr feeds into iPhoto photocasts.

"Free your feed from authentication or invalid SSL certificates for use in the feed reader of your choice." I wrote a command line version of this a few weeks back, but this is much nicer.

More RSS package tracking

RSS package tracking.

"Create your own widget, using any data feed". Tragically Web 2.0, but maybe useful!

Wrapper for the Universal Feed Parser which caches the results

A simple way of turning text into HTML (and, optionally, RSS).

Another way to parse and build RSS feeds in Ruby.

resource_feeder

collaborative RSS and Atom delivery

rss feeds for popular infosec lists and sites