RSS aggregators

Flipboard a powerful RSS aggregator that uses an in-browser plug-in to collect content (freemium)
Check the DigiEduHack Flipboard for inspiration on all digital education topics!

Feedly a plain-text RSS aggregator (freemium)

Scoop It a curated content aggregtor (freemium)

Pinterest a visual content aggregtor (freemium)

LiveBinders a great tab-based content aggregtor (free)