Useful Softwares...

1)Microsoft Silverlight

Microsoft Siverlight is a cross-browser,cross-platform,and cross-device plug-in for delivering the next generation of .NET based media experiences and rich interactive applications for the Web.
Publisher-Microsoft Corporation

2)Dotnet FX

This is a program from Microsoft that is related to the .NET technology, and dotnetfx.exe is a process belonging to Microsoft Windows which updates the .NET technology interface. This is a operating system core component update and should not be terminated unless suspected of causing problems.
Publisher-Microsoft Corporation
http://www.microsoft.com/beta/downloads/Default.aspx

3)Free Download Manager

Free Download Manager is a powerful,easy to use and absolutely free download accelerator and manager.Moreover,FDG 100% safe,open-sourse software distributed under GPL license.

4)PDF Creator

PDFCreator easily creates PDFs from any Windows program.Use it like a printer in Word,StarCalc or any other Windows application.

5)VLC Media Player

VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1,MPEG-2,MPEG-4,DivX,mp3,ogg,..) as well as DVDs VCDs, and various sreaming protocols.It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high bandwidth network.