Shareaholic is a Firefox extension for sharing content to social bookmarking sites easily.
With sharaholic you can submit the sites you are browsing to all your favorite social bookmarking sites, you can also email the links to your friends.

Shareaholic supported sites:
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Techcrunch is reporting that frustrated Digg contributors are heading over to Mixx, a new web 2.0 site for social news.
What is Mixx
Mixx has the same functionality as Digg, users can share stories, vote on favorites and comment on the stories. Mixx has categories lke Tech, News, Business, Sports, Science etc. Your Mixx section shows [...]

Intel launched a digg clone called Cool Software that lets users rank the cool software applications.
The site is mainly focussed on software business ideas and help to keep track of the the next big idea.
According to Venturebeat the site cost around $40,000 to launch and tested internally before launching it to public.
If [...]

InterviewUp is a new site which helps you prepare for the interview. InterviewUp has possible questions and answers you may face in your interview.
The idea is simple and interesting, the site has lot of questions categorized with tags. You can find the type of questions you are looking by using the tags and search functionality. [...]

Digg is introducing new features this year and today night they are releasing the first of these, new digg user profiles. Digg claims to be revamped the profiles from the ground up- making it easy to share your favorite stories and discover new interesting content by seeing what your friends are digging.
The other important [...]

Propeller, a rebranded version of Netscape is live. The site looks like previous Netscape social news Digg clone.
According to Netscape Blog, the new social site is live at propeller.com and also at news.aol.com. “In the coming weeks, you will be able to see Propeller content on both the new Netscape.com portal, as well as AOL [...]

The popular social bookmarking site Del.icio.us is getting a new web 2.0 look, they are offering a preview for some invited users.
According to del.icio.us blog the initial invites list is full and they will add more invites later, if you want to get invited for the preview you can add yourname here.
Techcrunch has [...]

Pligg the popular digg clone CMS is for sale at sedo. Pligg is a open source software and has seen some tremendous over a few years, people use this to setup digg clones.
Currently Pligg has some 10,000 registered users and the software has been downloaded 60,000 times.
They say all good things must come [...]