FerminRP
FerminRP reviewedRealtimeBoard 2.0Web-based whiteboarding & team collaboration tool
 RecommendedPros: 

Best tool for visual people, everything I need for studying and work

Cons: 

A bit expensive for me.

Definitelly the best product I've used in the last couple of months. I'd love to add it to my daily routine as I did with trello and slack. Too bad that to really use it you need to pay $10 a month :(

FerminRP has used this product for one month.