Download Jcrontab

You have two options: wait for packaged versions, or get the latest version from CVSWEB or via CVS:

cvs -d:pserver:anonymous@cvs.jcrontab.sourceforge.net:/cvsroot/jcrontab login
cvs -z3 -d:pserver:anonymous@cvs.jcrontab.sourceforge.net:/cvsroot/jcrontab co modulename

Jcrontab is an LGPL Project, so you can use and distribute it freely under the LGPL License.