Third-party software DITA Open Toolkit uses third-party software components to provide certain features in the core toolkit, Java API, and bundled plug-ins. PDF plug-in, required software third-party software
DITA-OT <keyword keyref="release"/>

DITA-OT core processing uses the following third-party software:

Software Version License Ant Ant Apache Commons Codec Apache Commons Codec Apache Commons IO Apache Commons IO Guava Guava ICU for Java (ICU4J) ICU for Java (ICU4J) Logback Classic Module Logback Classic Module , Saxon Simple Logging Facade for Java (SLF4J) Simple Logging Facade for Java Xerces Xerces XML APIs XML APIs , XML Resolver XML Resolver
The XML APIs library contains source code for SAX and DOM APIs, which each have their own licenses.
PDF plug-in

The org.dita.pdf2 plug-in relies on additional third-party software to generate PDF output:

Software Version License Apache Commons Logging Apache Commons Logging 1.0.4 Apache XML Graphics Apache XML Graphics 2.4 Batik Batik 1.12 FOP Apache FOP