News Reader
- A dashboard widget can display RSS feeds from any number of sources in a single widget.
- http://www.benkazez.com/newsreader.php

Postino
- A commercial RSS/Atom reader for MacOS X. Includes an RSS directory and supports RSS auto discovery.
- http://www.coladia.com/postino/

Vienna
- Open source, freeware RSS reader for OS X.
- http://www.opencommunity.co.uk/vienna2.html

Shrook 2
- RSS reader with desktop and web based versions. Can synchronize across several computers.
- http://www.fondantfancies.com/shrook/

NewsFan
- RSS and Atom reader with search, news ticker, integration with iTunes and automatic translation.
- http://www.makienterprise.com/newsfan/

NewsYouCanUse
- An application that provides access to RSS feeds via the menu bar. Includes notification of new items and a built-in directory.
- http://autostylus.com/newsyoucanuse/

NetNewsWire Lite
- NetNewsWire is an OSX desktop RSS reader, written in Cocoa.
- http://ranchero.com/netnewswire/

NewsMAC
- Information on this versatile RSS news aggregator that lets you view news headlines and story descriptions before you have to even touch your web browser.
- http://www.thinkmac.co.uk/newsmac/

Pheeder XML Reader
- Pheeder is a aggregator/news reader designed to work with arbitrary XML formats through the use of plug-ins and XSLT [OS X].
- http://www.pheed.com/pheeder/

Tinderbox
- An Mac OS feedreader.
- http://www.eastgate.com/Tinderbox/

Tickershock
- Animated RSS and Atom newsreader for Mac OS X inspired by news "crawls" on 24-hour cable news programs.
- http://www.mesadynamics.com/tickershock.htm

Slashdock
- A simple Mac OS X application that fetches and updates headlines for the latest postings on slashdot-compatible sites and RSS-compatible sites.
- http://homepage.mac.com/stas/slashdock.html

NewsFire
- Macintosh RSS reader. OS 10.3 required.
- http://www.newsfirerss.com/

MulleNewz
- An Mac OS X dockling RSS reader.
- http://www.mulle-kybernetik.com/software/MulleNewz/