jaxen-1.1-beta-4.jar (1.1-beta-4) - Jaxen - universal java xpath engine - runtime, required if you want to deserialize a Configuration to improve startup performance
ant-junit-1.6.3.jar (1.6.3) - Ant junit support - buildtime
ant-swing-1.6.3.jar (1.6.3) - Ant swing support - buildtime