Video Lectures :

http://www.datawrangling.com/hidden-video-courses-in-math-science-and-engineering.html

http://videolectures.net/

Windows Tips & Tricks:

http://windowstricks.spaces.live.com/blog/

http://technet.microsoft.com/

http://www.windowsnetworking.com

http://www.microsoft.com/technet/scriptcenter/default.mspx

http://www.petri.co.il/

Business Dev 2.0

http://www.readwriteweb.com/archives/business_development_20.php

WEB DEZ:

http://www.klauskomenda.com/archives/2008/02/16/collection-of-web-developer-tools-per-browser/

http://www.noupe.com/ajax/37-more-shocking-jquery-plugins.html

http://www.fortysomething.ca/mt/etc/archives/007303.php

http://www.fortysomething.ca/mt/etc/archives/006129.php

http://www.cssaddict.com/blog/web-20-design-generators/

Widgets:

http://www.niallkennedy.com/blog/software/social/widgets/

WEB apps:

http://www.smashingapps.com/2008/10/30/17-wonderful-free-tools-to-make-designers-lives-easier.html

http://sixrevisions.com/tools/15-free-tools-for-web-based-collaboration/