This is !Befunge interpreter by Jeffrey Lee. It supports Befunge-93 and Befunge-98.
First commit is the contents of befsrc.zip (83,185 bytes).
Files are renamed and makefile is changed to make it compilable on Windows/Linux as described in the original readme.
Run make BefungeLyt to compile it.
Binaries for 64 bit Windows and Linux are in the releases.
Run BefungeLyt --help for command line options.