Antivirus a is software that protect your computer from malicious software that can broke your computer system. Sometimes antivirus software are not free, we need to buy license to keep update the virus database in every period of time. Auto Shutdown Pc Software Free Download.

If you don’t want to use your money, there is free antivirus that you can use freely, but still if you use free antivirus there is much of disadvantages for the antivirus. Now think, what if you can develop your own antivirus software? So you can update your database freely and not to worry about buying license every time. Thoolika Malayalam Typing Software Free Download. You don’t need to make antivirus from the sratch, because there is an open source antivirus that you can download and use it for free. So here is the list for top 5 free and open source antivirus: ClamAV is the most popular open source antivirus that you can download for free.