This is pretty cool and worth looking into.
Also, on a similar note, Suzuki has an early childhood education program (ECE). This is not an online program, but one of the most celebrated methods worldwide. The following link is to locate a teacher in your area, just look for a teacher offering the 'ECE' program:
http://suzukiassociation.org/parents/teacherloc/My daughter is 11 months and starting in 2 weeks