Uhh, does blocks count? Lol. That's the only one I know how to use. I have heard of a few tho, like python, java, c#, c++, and such. I have a friend who is learning python, and another friend who fluently knows c# and somewhat java. Then I have just heard of c++ for being hard mode lol. My one friend pretty much refused to use blocks, since it's basically dumbed down java, so he just decided to learn it since he, unfortunately, could not use c#, which he already learned, for the project we were working on.