Bayeseg is a project mainly written in Python, it's free.
Doing segmentation with Bayesian methods.
Bayesian unsupervised segmentation.
BUilding Command: python2 setup.py build_ext --inplace
Running Command: ./unigram_main.py infile
Performance when given a Chinese text: Python version: 348s Cython version: 107s
References:
Bayesian with tears, Kevin Knight.