Fark.com - Interesting, bizarre and amusing news stories, along with regular photo manipulation contests.
JHeadlines - Users submit and vote to rank what is newsworthy. Strong emphasis on coverage involving Israel, Jewish culture, and Palestinians.
Jamespot - Share RSS-feeds. Users can create shared themed-area pulling search engine and aggregated items from blog posts, news sites, audio and video podcasts.
Legendary Threads - User-submitted links to interesting web sites and popular threads. Rankings for forums, weblogs, social groups and albums.
Mixx.com - Lists user-recommendations for stories, photos and videos. Customize the start page, join private groups, and rate content.
News Me Back - Tools for citizen journalism. Submit stories, news, and events from everyday life.
Reddit - User-generated news links. Votes promote stories to the front page.
SoLinkable - Browse, submit, and vote on content chosen by the community. Register to start participating.
TotalPad.com - User-driven mix of news articles representing science and technology, entertainment, games and sports related events from around the globe. Discuss, comment and vote on links.
VOTEmotion.com - User-run directory with voting based on emotions on submitted news links.
Workdig - Community posting headline links to career-related topics and videos.

Colloaborative News