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6 Ways to Filter Your RSS Feeds - ReadWriteWeb
Buzz Marketing for Technology
JUNE 27, 2008
ZapTXT is a keyword filter (of the in variety) that returns results via email, instant messenger, or mobile phone. It always works for me, you can both splice and filter, it has OPML, and it also has re-syndicating delivery in HTML (even customise the code), java, PDF, etc.other features are timezone, language, ordering. Its an amazing intuitive product which lets u build mashups! By the way, Gregarius is a PHP/Mysql RSS/RDF/ATOM feed aggregator licensed under the GPL.
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