Software! Esoteric programming is amazing! I know LOLCODE, HQ9+ (duh), SANTA, and 1231. I program mostly in C++.
I am also the creator of NBAS
C++ Implementation of HQ9+ & Bash Implementation of HQ9+
C++ Implementation of *
C++ Attempted Implementation of To The Top Right Corner (accessible via bottom of web page)
To The Top Right Corner