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NewsBlur is the newest of the cloud-based RSS aggregators in this line-up but, like its rivals, is accessible from the web or an iPad, iPhone or Android-based device.
Like Reader it takes a traditional aggregator layout, but in addition to showing you your subscriptions and individual news items, it also lets you specify between 'original', 'feed', 'text' and 'story' to dictate what is displayed in the panel. The image above shows it with the 'Feed' option displayed.
Unlike most others, NewsBlur can also be trained to help you discover new feeds and filter the content you're interested in.
Netvibes' free RSS reader product is also another alternative to Reader worth checking out, and like Feedly has also been around since 2008.
Unlike Feedly there's no simple import route in Netvibes for integrating your Google Reader subscriptions. Instead, you need to export your Reader subscriptions as a .ZIP file, extract them to find the 'Subscriptions.xml' file and then import that into Netvibes.
On the positive side, once imported you have the option of having the content displayed like Reader in the traditional way (pictured) or as widgets across the screen, like the iGoogle homepage.
It is also available for the iPad, iPhone and on Android, and includes an offline reader mode.
Skimr is the least like a traditional RSS feed of all the cloud-based options in this list. Rather than display content in a main panel with a list of subscriptions down the side of the page, Skimr presents the chosen 'skims' (an individual subscription) or a list of all skims (all subscriptions).
New sites can be added by URL, browsing Skimr's directory, or by uploading a previously exported OPML (Outline Processor Markup Language) file.
It may be little surprise to learn that as Skimr looks more like a mobile-optimised site than a desktop site, there are no native apps for the service, but it will work happily in most mobile browsers.