RSSCalendar is an exciting new way for individuals and organizations to share their calendars with family, friends, and co-workers - utilizing the latest in "Really Simple Syndication" (RSS) technology, including RSS channel creation and aggregation. Not only is RSSCalendar easy to use but it is also easy to administer, and setup is a snap. RSSCalendar [...]

Your daily dose of conversations.
Cloudee is an automatic aggregator. Think of it like an intelligent RSS reader that culls the daily headlines for hot topics. The hot conversations of the day are tracked using a cloud algorithm based on memes and links.

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Tag clouds are cool, informative, appealing representations about what’s happening in your blog, or anywhere else.
With ZoomClouds, in just a couple of minutes, you can have a tag cloud in your site, based on whichever RSS/Atom feed you like.

http://www.zoomclouds.com/