BOX depends on a few other software packages.
Here are links to everything you need.

• BOX (see "Download" link under "Latest File Releases")
• Xalan 2.2
  • See xalan.jar in the jaxp-1.1.3 directory.
  • Why is this required?
• Xerces 1.4
  • See xerces.jar in the top level directory.
  • Why is this required?

BOX includes JARs for Log4J and Lumberjack.