Generators

Feed for All
Software that can edit and create RSS feeds. Open existing feeds and automatically correct XML errors.
http://www.feedforall.com/

FeedFire
A web service that allows anyone to scrape a webpage and turn it into a RSS feed.
http://www.feedfire.com/

Feedity
A free web service that performs content analysis on web pages and automatically generates RSS feeds.
http://www.feedity.com/

Globalissa Community News
A software package that helps build RSS feeds around local communities.
http://globalissa.net/

HitRSS
Web based service that allows creating, publishing and hosting RSS feed.
http://www.hitrss.com/

JitBit RSS Feed Creator
Windows software that can create, edit and publish RSS 2.0 feeds.
http://www.jitbit.com/rssfeedcreator.aspx

ListGarden RSS Feed Generator: Software Garden Products
An authoring tool for manually creating and maintaining RSS feeds. Software with browser interface that can run on Windows, Mac OS X, or Linux, or remotely through a web server.
http://www.softwaregarden.com/products/listgarden/

myRSScreator
Web service that creates and hosts RSS 2.0 feeds. Supports images as well as podcasting audio and video.
http://www.myrsscreator.com/

Nooked
Online service, targeted at enterprise, that can manage, create and publish RSS feeds.
http://www.nooked.com/

Perl XML::RSS
A Perl module that provides a basic framework for creating and maintaining RSS files.
http://perl-rss.sourceforge.net/

RapidFeeds
Free online service that allows publishers to create, publish, update and track their RSS Feeds.
http://www.rapidfeeds.com/

RSS Generator
A web form based service that can create RSS/XML feed files.
http://www.rssfeedssubmit.com/rss-generator/

RSS Mix
Web service that mixes multiple RSS feeds together into one new RSS feed.
http://www.rssmix.com/

RSSCalendar
Web based calendar service that allows the sharing RSS calendar feeds with others.
http://www.rsscalendar.com/

RssPublisher
Windows software that aids in the creation, editing and publishing of RSS feeds.
http://www.rsspublisher.com/

Shared RSS Feeds
Web based service that allows webmasters to post their latest publications and resources as part of a shared RSS feed.
http://www.sharedrss.com/

Tristana Writer RSS Editor
Software that creates RSS or Atom feeds by scanning an existing web page.
http://www.tristana.org/writer