[Discover] FeedBurner http://www.feedburner.com/fb/a/home (tools blogs feeds feedburner)
 [Discover] xFruits - Compose your information system http://www.xfruits.com/ (feeds tools mashup rss)
 [Discover] AtomEnabled.org http://www.atomenabled.org/ (atom feed rss aggregator)
 [Discover] RSS - Wikipédia, a enciclopédia livre http://pt.wikipedia.org/wiki/RSS (feed rss)
 [Discover] Filter RSS feeds with Feed Rinse http://www.feedrinse.com/ (feeds feed filter rss)
 [Discover] Swedish VJ Union http://www.vjunion.se/feed/ (rss)
 [Discover] SimplePie Documentation: Documentation http://simplepie.org/wiki/ (rss)
 [Discover] Google Data APIs Overview http://code.google.com/apis/gdata/index.html (webservices google atom gdata)
 [Discover] Búfalo Informática - Gerando Notícias em RSS como WebServices http://www.bufaloinfo.com.br/artigos/artigo0701.asp (asp.net rss)
 [Discover] FeedForAll - create, edit and publish rss feeds http://www.feedforall.com/feedforall.htm (xml tools xotels)
 [Discover] RSS - A Definition http://en.wikipedia.org/wiki/RSS_(file_format) (rss)
 [Discover] RS Hotel S - Real Simple Hotel Syndication / Solutions / Search http://www.rshotels.com/ (xotels rss)
 [Discover] Sweden Weather Forecasts http://www.rssweather.com/dir/Europe/Sweden (weather väder rss)
 [Discover] Pipes: Rewire the web http://pipes.yahoo.com/pipes/ (tools yahoo rss mashup)