Rssboard
A tool that checks whether an rss feed follows the rss 2.0 specification.
http://www.rssboard.org/rss-validator
Webdesign
Use these rss tools to create your rss feeds and then validate them with the validators.
http://webdesign.about.com/od/rssvalidators
Validome
Html, xhtml, xml und wml validator
http://www.validome.org/rss-atom
Rss Tools
Rss feed validators for determining whether a feed is valid or not.
http://www.rss-tools.com/rss-validators.htm
Feed2
Feed2
http://feed2.w3.org/docs/rss2.html
Feedvalidator
feedvalidator
http://feedvalidator.org/
Artikel netscape
artikel netscape
http://my.netscape.com/publish/formats/rss-spec-0.91.html
Validator
Validator
http://validator.w3.org/feed
Rss scripting
rss scripting
http://rss.scripting.com/