http://www.myownbusiness.org/course_list.html

http://smartbizprofits.com/free-online-business-courses-with-certificate-of-completion/

http://education-portal.com/articles/10_Places_to_Get_a_Free_Business_Education_Online.html

http://distancelearn.about.com/od/onlinecourses/a/Certificates.htm