There are none. I've signed up for everything that looked interesting two months ago and have been active in... 6 of them (counting CS101 that just finished). T

There are none. I've signed up for everything that looked interesting two months ago and have been active in... 6 of them (counting CS101 that just finished). The rest I'm glad to have registered for since I can still keep up with the materials and lectures without doing the assignments.