The Download.com Installer securely delivers software from Download.com's servers to your computer. During this process, the Download.com Installer may offer other free applications provided by our partners. All offers are optional: You are not required to install any additional applications to receive the software you selected.
From Spriteworks Developments:
Drop-Box v1.0 is an easy-to-use and completely customizable vertical navigation menu with custom cursor support, support for special effects, embedded images within menu titles, textual previews and comes with over 70 different mini-images. It is easy to configure and use and provides a convenient way for visitors to navigate your site.