Peercast is a simple, free way to listen to radio and watch video over the internet. This open-source software uses P2P technology to let anyone become a broadcaster without the cost of traditional streaming. This means you get to hear and watch stations not normally found on commercially funded sites.....!! This supports all top players like media player, winamp, XMMS etc..Peercast P2p broadcasting

OpenSUSE is also one of the linux-based operating system for desktops, laptops and servers. You can surf web, manage e-mails and photoes, play music, videos and hava lot of fun.

Moon secure Antivirus is an open-source antivirus that provides
--> Real-time virus /spyware protection
--> Automatic live updates of the definition files
--> Unlimited use and updates

For more details and screenshots click here .

Download:-
Moon secure Antivirus for Windows

Ubuntu is a community developed, Linux based operating system best suited for laptops and desktops. The graphical appearence features are very impressive. It contains all the the basic applications for like music players, video players, browser, image and graphics editing tools and a few really cool games.