"MOOC Credentials You Can Earn and A Learner Review Site" by Constant Learning Org (February 4, 2013)
http://constantlearningorg.blogspot.com/2013/02/mooc-credential-you-can-earn-and.html
"Open Culture is such a fabulous source for free diversion and learning—films, interviews, reads. And courses.
In addition to the 650 free courses listed there, on Friday they shared a list of 200 more courses known as
as MOOCS, with information about types of credentials offered as part of the learning experience:
http://www.openculture.com/free_certificate_courses:
Free Courses Credential Key
CC = Certificate of Completion
SA = Statement of Accomplishment
CM = Certificate of Mastery
C-VA = Certificate, with Varied Levels of Accomplishment
NI – No Information About Certificate Available
NC = No Certificate"