Clamwin is the best open source antivirus available  for Windows 98/ME/2000/XP/2003 and vista. Clamwin comes with an easy installer and an open source code. You may download the full version and use it free of cost!!

Alien arena is one of those fast paced deathmatches with rich, colourfull, arcadelike atmospheres. The game includes some best features of Quake III and Unreal tournament and wraps them with a retro-alien theme. The game has tons of original  ideas making it quite unique.

eSpeak is a compact open source software speech synthesizer for english and other languages. This software is available for Windows and Linux Os.

Ubuntu is a sommunity developed operating system that is perfect for laptops , desktops and servers.. This is designed with security on mind. It is one of the best Linux distributions and is a open source OS just like other Linux versions.

VLC (Video LAN Client) is a highly portable multimedia player which plays almost all media formats. 3gp , mov ,MPEG-4 , ogg , DivX and many more..

This is a exciting new Backtrack version with comes pre-installed with OPENVAS and many other important hacking tools.

Metasploit is a opensource software useful to people who perform  penetration testing , IDS signature development and exploit research. The software provides information on the exploit techniques i.e it identifies the bugs present in your current application...!

Chrome is an exiciting browser that combines a minimal design with a sophisticated technology to make the web faster , easier and safer. 

Backtrack3 is the best amongst the other versions released till now. This is a complete hacking package coz it comes with all the necessary built-in tools required for hacking!! Some of them are..

To download this version click on the links below..

This is a seriously old version of the backtrack os..!