Not real big on edmoto, using Moodle and like it! I don't need $$$ or anything with moodle. Just add stuff for students and let them go. I am not big on badges etc.
Maturity and self discipline are the keys to successful on-line learning. However, that said, I do feel that the on-line courses offered in our school provide a very wide margin for successful completion.
MLO portal provides a large variety of course offering for general education. I was a bit disappointed that the only offering in science dealt with biology had a video preview that was unavailable for preview.