Udacity 6 weeks long 6 weeks long

Coursera 14 hours worth of material , 4 weeks long 14 hours worth of material , 4 weeks long

Coursera 88 hours worth of material , 10 weeks long 88 hours worth of material , 10 weeks long

openSAP 6 hours a week , 6 weeks long 6 hours a week , 6 weeks long

edX 7-10 hours a week , 5 weeks long 7-10 hours a week , 5 weeks long