Joda-Time source code is released under the business-friendly Apache 2.0 license. This is the same license as Ant, Spring, Tomcat and Jakarta.
As is normal with the Apache 2.0 license, a NOTICE file is used to express Joda-Time specifics:
============================================================================= = NOTICE file corresponding to section 4d of the Apache License Version 2.0 = ============================================================================= This product includes software developed by Joda.org (http://www.joda.org/).