The PandaWare Company has released TimeCache 7.0.6, a periodic update to its time and expense billing application for Mac OS X. Version 7.0.6 offers users new options for customizing invoices, and  new ways to exchange data with Mac OS X’s iCal application. The update also offers a handful of interface improvements and a number of bug fixes. [ Price: US$60 ~ Requires: Mac OS X 10.3 or later ~ Demo available ]