Aggregators / Data feeds / RSS

These systems offer the user the chance to collect specific information from the web. Collections can be set up to appear as email or via a reader or on specific web pages. The range in data is enormous from academic references to books, latest videos or music and sites that aggregate news and blog such as Feedly.

Product Last Review Score
digg 95%
Google Scholar 89%
Pocket 82%
Wikipedia / Mediawiki 82%
delicious 82%
Google Reader 77%
diigo 73%
Diigo WebSlides 71%
Scoopit 66%
StumbleUpon 60%