This is an implementation of Prolog written in Java. At this time, I'm focused on getting it functioning close to Standard Prolog. It is mostly there, and should be able to run many prolog programs. Future work:

The interpreter occasionally bails out, instead of handling errors cleanly

Consult should report line numbers / column numbers of errors

There's still a lot of cleanup required for the IO

No effort has been done yet to optimize the code, nor compile this to native Java byte code.