I downloaded Stanford POS tagger from http://nlp.stanford.edu/software/postagger-2006-05-21.tar.gz, which contains source code and binary. However, I cannot rebuild this pos tagger from source. I took 3-4 hours to fix it thus I post the patch as follow:
diff -Naur edu.orig/stanford/nlp/stats/Counters.java edu/stanford/nlp/stats/Counters.java --- edu.orig/stanford/nlp/stats/Counters.java 2006-05-18 06:55:16.000000000 +0000 +++ edu/stanford/nlp/stats/Counters.java 2007-11-27 12:04:16.000000000 +0000 @@ -1,6 +1,6 @@ package edu.stanford.nlp.stats; -import edu.stanford.nlp.ling.IndexedFeatureLabel; +//import edu.stanford.nlp.ling.IndexedFeatureLabel; import edu.stanford.nlp.util.*; import edu.stanford.nlp.util.PriorityQueue; diff -Naur edu.orig/stanford/nlp/tagger/maxent/TestSentence.java edu/stanford/nlp/tagger/maxent/TestSentence.java --- edu.orig/stanford/nlp/tagger/maxent/TestSentence.java 2006-05-08 02:24:12.000000000 +0000 +++ edu/stanford/nlp/tagger/maxent/TestSentence.java 2007-11-27 12:04:11.000000000 +0000 @@ -18,7 +18,7 @@ import edu.stanford.nlp.sequences.SequenceModel; import edu.stanford.nlp.sequences.BestSequenceFinder; import edu.stanford.nlp.sequences.ExactBestSequenceFinder; -import edu.stanford.nlp.sequences.BeamBestSequenceFinder; +//import edu.stanford.nlp.sequences.BeamBestSequenceFinder; import java.io.BufferedReader; import java.io.InputStreamReader; However, I still use Acopost and in-house POS tagger based on CRF++.