Adobe Acrobat Reader
Adobe Acrobat is an essential tool for universal document exchange. Adobe Acrobat Reader is free, and freely distributable, software that lets you view and print Adobe Portable Document Format (PDF) files on all major computer platforms, as well as fill in and submit PDF forms online.
Get Adobe Acrobat Reader

Macromedia Flash Player
Experience animation and entertainment on the web with Flash, the web standard for vector graphics and animation.
If you do not have the flash player, download it now free of charge.

QuickTime
The Apple QuickTime plug-in lets you experience QuickTime animation, music, MIDI, audio, video, and VR panoramas and objects directly in a Web page.
Download the Quick Time Plug in now.

Real Player
RealOne Player is one of the most popular streaming audio and video players on the Internet today. Real formatted files are as commonplace as AVI, QuickTime, and Windows Media files. This free plug-in enables a great deal of access to multimedia news, entertainment, and music files!
Download RealOne Player free of charge