open source jbig2 encoder

Just a quick link, Adam Langley has released a JBIG2 encoder under an 
Apache(ish) license. Of course, in many jurisdictions you still need 
to obtain patent licenses.

  http://www.imperialviolet.org/jbig2.html

It's quite impressive so far I think. The work was apparently 
commissioned by Google.

 -r