| Parser | URL | Validating | Namespaces | SAX1 | SAX2 | License |
|---|---|---|---|---|---|---|
| Yuval Oren's Piccolo | http://piccolo.sourceforge.net/ | X | X | X | LGPL | |
| Apache XML Project's Xerces Java | http://xml.apache.org/xerces2-j/index.html | X | X | X | X | Apache Software License, Version 1.1 |
| IBM's XML for Java | http://www.alphaworks.ibm.com/formula/xml | X | X | X | X | Apache Software License, Version 1.1 |
| Ælfred | http://www.gnu.org/software/classpathx/jaxp/jaxp.html | X | X | X | X | GPL with library exception |
| Sun's Crimson | http://xml.apache.org/crimson/ | X | X | X | X | Apache |
| Oracle's XML Parser for Java | http://technet.oracle.com/ | X | X | X | X | free beer |
| Caucho Resin | http://www.caucho.com/products/resin-xml/index.xtp | ? | X | X | X | payware |
| Saxon's AElfred | http://saxon.sourceforge.net/aelfred.html | X | X | X | BSD-ish license |