Feed Collectors is a new web tool that collects and socializes your feeds.
Feed Collectors is now in private beta .
Whether it's blogs, podcasts, video podcasts, or news feeds, we can collect it. [...]

Beeplet creates an RSS feed of personal, time-based, tagged reminders.
Keep forgetting stuff? Need reminders from time to time? Then Beeplet is your thing.

Click on Screenshots for more Information 
Ziki is a new social networking site that allows people to tag themselves and make connections with others through those tags. It also allows users to pull in RSS feeds from their blog (Blogger or Similer), flickr photos, YouTube videos, Blinklist or Del.icou,ous Bookmarks etc.
This service is similer like Suprglu [...]