Tension Software (http://www.tensionsoftware.com) has updated Cronette, Mac OS X software designed to specify tasks to be launched unattended by the Mac, to version 1.6. The upgrade is optimized for Mac OS X 10.9 Mavericks.
Cronette can be used on unattended Mac servers or also on regular Mac workstations for tasks to execute during the night or for recurring tasks to be performed on a regular basis. It provides different type of launch tasks; any task can be specified to launch different type of execution.
Cronette 1.6 requires Mac OS X 10.8 or higher. A demo is available for download at the Tension Software web site; registration is US10.