21:Symantec Norton Antivirus

The Best Antivirus software with a lot of features.A trusty software with other features like antispyware,antiphising and good firewall features.

20:Adobe Acrobat Reader

Adobe Reader allows more securely view, print, search, sign, verify, and collaborate on PDF documents, online as well as offline, from your home or office. Reader has a completely redesigned interface, new tools, and new options for viewing information more efficiently. Access to an online, real-time meeting in seconds.

Reader is integrated with Adobe Connect software, which enables users to instantly communicate and accelerate approvals with virtually anyone, anywhere, at any time. Add more security to your documents, forms, and drawings with digital signatures. Leverage Adobe LiveCycle Policy Server and the new Adobe Online Services Document Center to enforce access rights at the document level.

19:Autodesk MAYA

Award-winning Autodesk® Maya® software is a powerful, integrated 3D modeling, animation, effects, and rendering solution. Because Maya is based on an open architecture, all your work can be scripted or programmed using a well-documented and comprehensive API (application programming interface), or one of two embedded scripting languages. This, combined with an industry-leading suite of 3D tools, means Maya enables you to realize your creative ideas.Autodesk Maya 2008 software delivers faster, more efficient tools and workflows for creating the stunning, high-resolution characters, environments, and performances that will populate the games consoles, theater screens, and televisions of the future.

Autodesk MAYA

Award-winning Autodesk® Maya® software is a powerful, integrated 3D modeling, animation, effects, and rendering solution. Because Maya is based on an open architecture, all your work can be scripted or programmed using a well-documented and comprehensive API (application programming interface), or one of two embedded scripting languages. This, combined with an industry-leading suite of 3D tools, means Maya enables you to realize your creative ideas.Autodesk Maya 2008 software delivers faster, more efficient tools and workflows for creating the stunning, high-resolution characters, environments, and performances that will populate the games consoles, theater screens, and televisions of the future.

18:Autodesk 3d Studio Max

Create rich and complex design visualization. Generate realistic characters for a top-selling game. Bring 3D effects to the big screen. Autodesk®
3ds Max® 2008 3D modeling, animation, and rendering software helps design visualization professionals, game developers, and visual effects artists maximize their productivity by streamlining the process of working with complex scenes.

17:Opera

Opera is a browsing software with lots of features.Opera is the Web pioneer that delivered tabbed browsing in 2000, and Opera 9.2 features lots of other great tricks for quick navigation, including Speed Dial, a quick way to put all of your favorite daily sites at your fingertips. You can also take, save and trade Notes attached to any Web site while browsing, or Create Search shortcuts from any search field on the Web. Opera 9.24 is super fast and free, secure and stable, and offers lots of great tools for Web Developers.

16:Avast Antivirus

This one is a nice antivirus solution.it can detect many spywares and viruses and clean it effectively.The avast antivirus is free to try.The software updates its database frequently and hence your system is protected againt the latest spywares and viruses.