www.adderworld.com -  This is a very comprehensive site for folks with ADD on all issues.  There are many talented contributors, and there is always a special section for work-related challenges.

www.thrivewithadd.com – some free, some paid programs for ADD folk

www.luminosity.com - awesome mind/focus exercises

www.instantaddsuccess.com - paid members only site with hoards of information, videos and help – by Tellman Knudson, Successful ADD Entrepreneur