xom

Open source (LGPL), tree-based API for processing XML with Java

XOM is a new XML object model. It is an open source (LGPL), tree-based API for processing XML with Java that strives for correctness and simplicity. XOM is designed to be easy to learn and easy to use. It works very straight-forwardly, and has a very shallow learning curve. Assuming you're already familiar with XML, you should be able to get up and running with XOM very quickly.