Esotope Migol Interpreter is an interpreter for esoteric programming language Migol, written in ISO C99. It is far faster than the reference interpreter written Java, with about two magnitudes of order. For more information, see README file. You'll require C99-compliant compiler (e.g. GCC) to compile.
Esotope Migol Interpreter is written by Kang Seonghoon, and it's an open source and free software (which license is same as MIT/X's).