Lavanya' blog, Eighty-20 is a small consulting company which does sophisticated financial modeling, as well as some solid database work. all their work is highly quantitative and. Elgg - open source social networking engine., Elgg is a leading open source social networking engine which can be used to power your social network.. Top content - sunday, august 24th, 2014 - feedfury., All copyrights belong to their respective owners. all feed content is owned by the author. everything else © 2007-2014 feedfury.com.