Kindlefeeder is 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. Kindlefeeder also lets you save individual webpages and have them delivered to your Kindle along with your feeds.

A tool to track news stories about a certain topic.

Postgenomic collects posts from hundreds of science blogs and then does useful and interesting things with that data.

jordanian bloggregator

aggregator of several blogrings around the world