To be selected for the click2try ( TM ) catalog , applications undergo a rigorous evaluation process , described on the site. click2try ( TM ) virtual appliances contain one or more Open Source applications , and run directly from a desktop browser , from the click2try.com website. click2try ( TM ) installs no client software on a customer 's machine , so users can feel safe that their desktop environment and data are secure. click2try ( TM ) is a content-rich , community-driven Web site for sourcing , testing , evaluating , and hosting existing Open Source software products on pre-configured virtual appliances .