Web Based RSS and Atom Feed Readers

*Bloglines
*NewsGator Online

RSS and Atom Validator

*FEED Validator

Desktop Readers

*Jyte Works on both OSX and XP.

Mac

*NetNewsWire
*NewsFire
*PulpFiction
*Shrook

PC

Category:RSS
*Awasu
*FeedDemon
*FeedReader
*NewsGator Outlook Version
*NewzCrawler
*SharpReader

RSS Post Processing Services

*FeedBurner