Audio & Video

DivX

The Official Site of DivX Video
http://www.divx.com

Realplayer.com

The official site from RealNetworks.  Providing RealPlayers, Real Audio, RealJukebox, software, tools and more.
http://www.real.com/realplayer.html

QuickTime

QuickTime player software for free..  Plus plenty of information and technical support links. Looking for something to watch? You'll find it here....and if your in the mood to develop  your own movies you can find the programs you need here.  Unlike other products, QuickTime streaming requires no per-stream charge.
http://www.apple.com/quicktime/

Beatnik

You've heard all the remixes of your favorite song -- the dance mix, the drum 'n' bass mix, the deep house mix. There's only one remix missing -- the one that you create. That's what Beatnik's interactive MP3 is all about.
http://www.beatnik.com/

Live on the Net

If live feeds are what you are after, you'll probably find on demand video and audio you want here.
http://www.liveonthenet.com/

KoolMoves

Wow your web site visitors with stunning, professional web animations. KoolMoves lets you combine and manipulate text, vector clip art, and sounds to create Flash movies as well as frames for animated GIFs. With more than 100 built-in animated text effects such as "drop from top and bounce", KoolMoves makes it easy and inexpensive to create flying logos, character animation, and other professional quality Flash movies for your web site.
http://www.koolmoves.com/

Audio4fun

Voice Changer Software, change your voice for Voice-Over. Free download Audio/ Video Software - MP3 Player, DVD Player, Music Editor & Free Screensaver.
http://www.audio4fun.com/