FeedDemon screenshots

FeedDemon is a handy and powerful RSS feed reader
Folder Properties
FeedDemon 4.5 : Folder Properties

Alternative downloads

RSS Feed Creator
It allows creating, modifying, viewing and publishing RSS feeds and podcasts.
FSS Feed Creator
Tool to create and edit professional RSS feeds.
Feed Editor Lite
It's a software that can help you to create, edit, publish RSS Feeds.