Here are good list of sites like Digg and Pligg, social bookmarking and submission sites for SEOs and others to share their favorite web stuff. Many of the listed sites are powered by Pligg.
http://www.digg.com
http://www.dropjack.com
http://www.propeller.com
http://www.tagza.com
http://www.apnareview.com
http://www.dapx.com
http://www.clixwlix.com
http://www.bebonk.com
http://www.helpzimmy.com
http://www.latestblogentry.com
http://www.top-travel-articles.info
http://www.indimine.com
http://www.indianpad.com
http://www.blogengage.com
http://www.topstorybox.com
http://www.yoorl.com
http://www.urselections.com
http://www.socialconnects.net
http://www.postbuster.fr
http://www.upnik.com
http://www.sitemage.com
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