Objective Decision today announced the release of Contactizer Pro 3.5.2 (US$119), the latest version of its contact, project manager application. Changes in version 3.5.2 include: Mac OS X Leopard; the addition of a powerful Project Manager; along with several other enhanced features and bug fixes. Also announced was Contactizer Express 3.5 ($59.90), a new application built on the same core as the Pro version, but designed for freelancers, small individual businesses and entrepreneurs. Demo versions are available for both applications.