Coursera 5-7 hours a week , 11 weeks long 5-7 hours a week , 11 weeks long

edX 5-10 hours a week , 16 weeks long 5-10 hours a week , 16 weeks long

Coursera 4-6 hours a week , 10 weeks long 4-6 hours a week , 10 weeks long

Coursera 3-4 hours a week , 5 weeks long 3-4 hours a week , 5 weeks long

Coursera 5-6 hours a week , 11 weeks long 5-6 hours a week , 11 weeks long

Coursera 4-6 hours a week , 10 weeks long 4-6 hours a week , 10 weeks long

edX 12 weeks long 12 weeks long

Coursera 16-20 hours a week , 13 weeks long 16-20 hours a week , 13 weeks long

Coursera 4-7 hours a week , 4 weeks long 4-7 hours a week , 4 weeks long

Coursera 4-8 hours a week , 8 weeks long 4-8 hours a week , 8 weeks long

edX 2-4 hours a week , 9 weeks long 2-4 hours a week , 9 weeks long

edX 4-6 hours a week , 4 weeks long 4-6 hours a week , 4 weeks long

edX 3-5 hours a week , 6 weeks long 3-5 hours a week , 6 weeks long

edX 2-4 hours a week , 7 weeks long 2-4 hours a week , 7 weeks long

Coursera 5-8 hours a week , 4 weeks long 5-8 hours a week , 4 weeks long

Coursera 10-12 hours a week , 7 weeks long 10-12 hours a week , 7 weeks long

Coursera 4-6 hours a week , 11 weeks long 4-6 hours a week , 11 weeks long

Coursera 5-7 hours a week , 12 weeks long 5-7 hours a week , 12 weeks long

World Science U

edX 24-26 hours a week , 8 weeks long 24-26 hours a week , 8 weeks long

edX 12-13 hours a week , 5 weeks long 12-13 hours a week , 5 weeks long

edX 3-5 hours a week , 15 weeks long 3-5 hours a week , 15 weeks long

edX 2-4 hours a week , 10 weeks long 2-4 hours a week , 10 weeks long

Coursera 4-5 hours a week , 6 weeks long 4-5 hours a week , 6 weeks long

Coursera 7 hours worth of material , 7 weeks long 7 hours worth of material , 7 weeks long

Coursera 2 hours a week , 10 weeks long 2 hours a week , 10 weeks long

World Science U

edX 4 weeks long 4 weeks long

edX 8-10 hours a week , 8 weeks long 8-10 hours a week , 8 weeks long

Stanford OpenEdx 8 weeks long 8 weeks long

FutureLearn 3 hours a week , 4 weeks long 3 hours a week , 4 weeks long