Anymalign is a sampling-based word aligner. You give it parallel corpora, and get out word alignments with scores. One nice feature is that you can give it several aligned corpora at once. Another nice feature is that it's robust, interruptable and very easy to use.
 See also
- https://anymalign.limsi.fr/ main site
- http://saki.siit.tu.ac.th/snlp2013/app/webroot/downloads/snlp2013_proceeding.pdf BLEU evaluation of Anymalign versus GIZA++