This is a GolfScript interpreter written in Python. It's main goal is to be a fully compliant interpreter, compiled (and JITed) with PyPy. Currently work is going towards implementing it's large suite of built-in functions.
If you'd like to test it, simply run
./test.py. If a test fails and/or you get
a traceback, you can test it individually by specifying it as a command line arg,
./test.py tests/mod3.gs. This will show all the debugging information for