I saw this list of 120 RSS resources recently in the lifehacker… and it has the following categories…
- RSS readers - Windows
- RSS readers - OS X
- RSS readers - Linux
- RSS Readers - cross-platform
- RSS readers - web based
- Mobile RSS Readers
- RSS to email converters
- RSS Feed Validators
- RSS-related plugins - Firefox
- RSS-related plugins - Wordpress
- RSS-related plugins - other
- RSS Ping Tools
- Feed directories
- RSS tips & hacks
- Miscellaneous RSS-related tools
a terrific list eh!! 