ZapTXT: RSS Filtering and Notification.
ZapTXT allows you to define search criteria for your RSS feeds and OPML and then notifies you via email, SMS or IM when a new entry contains your search keywords.
ZapTXT connects you to leading web services:
Too many blogs? Reduce your blog overload by having ZapTXT do the monitoring and filtering for you. You can read what you want and ignore the rest.
Want to be the first to reply? Stay on top of Craig's community by monitoring specific categories -- ‘for sale’ items, events, housing, jobs -- and getting alerts via email, IM or SMS when a post meets your criteria.
Tired of having to check multiple sites to find that perfect [job, couch, lava lamp, etc.]? Monitor any RSS enabled classifieds site for specific items. ZapTXT does the work of monitoring and screening. You just wait for the email, SMS or IM!