http://lifehacker.biz/articles/best-open-source-software/

M$ project, editing, drawing diagram, money - http://www.smashingapps.com/2009/09/14/7-awesome-and-useful-software-for-linux.html

various media , TV, media editing , backup solution - http://laptoplogic.com/resources/15-relatively-unknown-linux-apps

http://ubuntulinuxhelp.com/top-100-of-the-best-useful-opensource-applications/

http://www.ubuntugeek.com/unp-unpack-almost-everything-with-one-command.html

http://apps.open-libraries.com/open-source-virtualization-platforms/

http://apps.open-libraries.com/11-great-opensource-alternatives-for-flash-development/

http://apps.open-libraries.com/19-opensource-erp-alternatives/

10 Special Linux Distributions That You Should Know - http://www.daniweb.com/news/story239006.html