This is the Big in Japan Web 2.0 Toolbox, a collection of 'pro-sumer' blogging and RSS tools.
Keyword filtering on RSS feeds. Not that hard to code yourself, but hey, it's already don't so why not use it
Create your own podcast. Find links to audio files on the Web. Huffduff the links—add them to your podcast. Subscribe to podcasts of other found sounds.
Simple ruby script to archive a rss feed to a SQL backend
Proposal for rss-based realtime web by Dave WIner
Python library to generate RSS2.0 feeds
Diffbot is a seed stage web startup focused on leveraging statistical learning algorithms to achieving the holy grail a truly personalized newspaper that is not limited to structured data sources. Our first product, Diffbot Reader, is used by tens of thousands of users each day to manage their personal web. We currently index a quarter million URL sources and are rapidly growing. Turn any URL into an RSS feed with feedbeater. Filter out these changes or get an email when updates are found. If you need to keep track of many websites at once, use our Diffbot reader.
