AmphetaDesk  
   Free, cross platform, open-sourced, syndicated news aggregator.
   http://www.disobey.com/amphetadesk/

Straw  
   A desktop news aggregator for the GNOME environment. With project information, news, and downloads.
   http://www.nongnu.org/straw/

Radio Userland  
   News aggregator included with weblog software application for Macintosh and Microsoft platforms.
   http://radio.userland.com/

myRadio  
   Extension to Radio Userland aggregation from RSS to any data source, including XML, HTML, and SOAP.
   http://radio.weblogs.com/0100875/outlines/myRadio/

BottomFeeder  
   A Smalltalk, desktop RSS Reader. Open source, runs on Windows, Mac, and various Unix flavors.
   http://www.cincomsmalltalk.com/BottomFeeder/

TALAggregator  
   Multi-user web based RSS Aggregator. Caches feeds to MySQL database, handles bad RSS, and includes template driven interface.
   http://www.owlfish.com/software/TALAggregator/

TheYoke  
   A simple RSS aggregrator designed for use on the UNIX command line.
   http://www.mackers.com/projects/theyoke/

JavaScript RSS Reader  
   Downloadable script for reading RSS 1.0 and RSS 2.0 feeds.
   http://www.qiksearch.com/javascripts/rss-reader.htm

Feed on Feeds  
   A PHP/MySQL based server-side RSS aggregator. All feeds are in one place, and users can read the latest news wherever they are.
   http://minutillo.com/steve/feedonfeeds/

Parss Project  
   The general idea behind Parss is to solve the problem of countless individual (desktop) RSS viewers randomly and redundantly transferring and processing almost exactly the same set of RSS feeds.
   http://weblogs.at/parss/

Rnews  
   Server-side RSS aggregator written in php using MySQL as the back-end and uses magpierss for the RSS parser.
   http://rnews.sourceforge.net/

NewzSpider  
   News aggregator that runs on your computer and downloads headers from your favorite news sites and blogs. NewzSpider supports all RSS standards (0.91, 0.92, 1.0 and 2.0).
   http://www.newzspider.com/

Raggle  
   Open-source console-based RSS aggregator, written in Ruby, for Linux, Unix and Windows. Information for users and developers.
   http://www.raggle.org/

phpNewsfork  
   Browser-based news channel and Weblog interface based on PHP, XML-RPC, and RSS. It uses the XML-RPC APIs from meerkat.oreillynet.com and syndic8.com, and does not require a database.
   http://www.borho.net/news/about.html

NewsFeed  
   A desktop RSS reader and aggregator in Python/Tk.
   http://thor.prohosting.com/~mdoege/newsfeed/

Gush  
   Combines Jabber instant messaging with news aggregation and a split chat feature.
   http://www.2entwine.com

News2Web  
   Takes a set of newsfeeds and publishes a webpage from them. Designed for corporate users.
   http://www.hexamail.com/news2web/

Jyte  
   Cross platform news reader with RSS and Atom support, as well as news from major news sites and keyword searches.
   http://www.jyte.com/

CafeRSS  
   Information and download for an RSS aggregator using PHP.
   http://barkerjr.net/webdesign/

BlogMatrix Jäger  
   A one-panel blog and news reader designed for speed and ease of use.
   http://jaeger.blogmatrix.com/

FIRST SAY  
   Open source RSS news aggregator designed to build collections of feeds and provide a first page presentation of feeds from many sources.
   http://www.firstsay.org/

Aggreg8.net  
   RSS feed aggregator built on the Mozilla framework or XPFE. It uses XUL, Javascript, RDF, CSS, XPConnect, and XPCOM.
   http://www.aggreg8.net/

Mercury News Readers  
   Displays RSS, RDF and Atom feeds. Available as screensaver, news ticker, Internet Explorer toolbar, and feed reader application.
   http://oracle.2question.com/rss

Sage  
   RSS and Atom feed aggregator for Mozilla and Mozilla FireFox browsers.
   http://sage.mozdev.org/

DogWalker  
   An extension to Adam Simpson's RawDog (web based aggregator python script). DogWalker is a script that periodically runs RawDog on webmaster's home PC and ftps the result to the site.
   http://rawfish7.tripod.com

Urchin RSS Aggregator  
   Perl, web based, customisable, RSS aggregator and filter that consumes RSS, Atom and screen-scraped HTML and produces RSS or XSLT-transformed output.
   http://urchin.sourceforge.net/

Wizz RSS News Reader  
   A simple RSS news reader extension for Firefox. Reads all versions of RSS. i.e. 0.90, 0.91, 0.92, 0.93, 1.0 (RDF) and 2.0.
   http://www.wizzcomputers.com/WizzRss.php

MyHeadlines  
   Content syndication search engine and news reader that can be integrated into a website running PHP and MySQL.
   http://www.jmagar.com/myh4

Planet  
   Server software that combines several feeds together and publishes them together on one web page.
   http://www.planetplanet.org/

QuikView Channel Viewer and Bookmark Server  
   Full channel RSS / XML viewer and bookmark server. A portable, cross-platform, sidebar application. Able to read all RSS versions.
   http://quikonnex.com/quikview/triizine/index_bottom.php?customname=triizine