Digg - Digg delivers the most interesting and talked-about stories on the Web right now.
Jobs List - All the jobs from job boards in one place
Flipboard - Your Personal Magazine. Find, follow and flip stories that change your world.
Curiyo with My2¢ - Don't just follow people, follow topics
The Tweeted Times - Automatically find, publish and promote content to engage and grow your community. Read your Twitter as a personal newspaper.
quippd - quippd is a social news site that anyone can edit.