1. Popurls - Popurls is a single-page layout for the latest web-buzz. It encapsulates real-time headlines from the most popular sites, such as Digg, Delicious, Reddit, Flickr, Yahoobuzz, Youtube, Wired, Slashdot, Fark, Huffington Post, Stumbled Upon and so many more. Change the design layout and the view to your desired preference. Tools – Search Popurls | Facebook App | Popurls.TV
2. Popacular: Popular Delicious Bookmarks – Popacular gives you a single page view of the most bookmarked sites on Delicious for the last hour, 8 hours, day, week, month or all time.
3. Popacular: Popular Twitter Websites – This is the Twitter version of Popacular. This tool tracks the most mentioned sites from Twitter for the last hour, 8 hours, day, week or month.
4. Social Blade: Digg Front Page Data – Digg displays the most popular stories on its front page, but Social Blade provides a snapshot of the stories at the time it hits the front page. You can also sort each heading by clicking on it.
5. Populair – Populair provides a listing of 150 categorized “what’s hot” links, that lets you stay up on the hottest topics, sites, etc.





2 Deliciously Free Alternatives to the Facebook BlackBerry App (with Twitter Integration)