1.AVG Anti-Virus Free Edition 2011
AVG is antivirus(Why don't you read 10 best and free antivirus) which is one of the best antivirus which protect your computer from viruses and malicious programs.
2.Avast Free Antivirus
Avast is also another antivirus which is also downloaded with greater interest.It help to Protect your PC against the latest viruses and spyware.
Youtube downloader( download you tube video into mo3 format) is another tool with help of which you can download youtube videos and convert in any format or you can also get HD video using this awesome tool.You can also download youtube video using realplayer.
TeamViewer is one of the best software which i also used by using this excellent tool you are able to Share your desktop with another person via the web.
Mawarebytes is an Anti-malware by using which you can easily Detect and quickly remove malicious threats to your computer.
Photoscape is awesome tool with help of which you can easily View, edit, print, or add frames to your photos.(why don't you read about editing photos in orkut using picnik)
7.Avira AntiVir Personal - Free Antivirus
Avira AntiVir Personal is another cool antivirus which is also used all over the world.This mainly detect and eliminate viruses, get free protection for home users
WinRar is another good software I,think which is need by all of us it help to take full control over RAR and ZIP archives, along with unpacking a dozen other archive formats.
9.Advanced SystemCare Free
By using this tool you can easily mix, scratch, and remix MP3 or music videos live.You can make music of your desire by using this tool.
11.Free YouTube to MP3 Converter
Youtube to mp3 is another cool tool which help extract music from YouTube movies as MP3 files which help to get mp3 format from any video.
12.Ad-Aware Free Internet Security
Ad-Aware Free Internet Security also a good free software protect your personal home computer from malware attacks.
13.Camfrog Video Chat
Camfrog is another cool tool for video chat with the help of which you can join live-video chat rooms from around the world.
14.VLC Media Player
VLC player is a(10 media player for windows) good music player by using which you can play audio and video files in real-time and streaming modes.
15.GOM Media Player
GOM player is another good media player by using which you can play video files of multiple video formats.
16.Internet Download Manager
Internet download Manager (Increase speed of internet upto 20%) is awesome tool which help to increase your connection speed and recover broken downloads as like Bit torrent .
Glary is cool utility which help to fix, speed up, maintain, and protect your PC.
18.FreeZ Online TV
Freez online (Listen music online for free)TV is another good tool by using which you can receive over 500+ free online channels of daily and live broadcasts.
CCleaner is another good software with help of which you can clean up junk files and invalid Registry entries.
My video converter is great tool with help of which you can Convert video files to various formats and extract audio tracks.