iTunes is a free application for Mac and PC. It plays all your digital music and video. It syncs content to your iPod, iPhone, and Apple TV. And it's an entertainment superstore that stays open 24/7.

RealPlayer has always enabled you to play RealAudio (*.ra) and RealMedia (*.ram) files.

ArgoUML is the leading open source UML modeling tool and includes support for all standard UML diagrams. It runs on any Java platform and is available in ten languages.