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Can anyone suggest a open source antivirus software which is capable of real time scanning in any OS ?

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closed as off-topic by random Jul 23 '13 at 5:19

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Don't confuse free with open source, there are tons of totally free antivirus softwares out there. –  Scott Chamberlain Jul 23 '13 at 4:44
So, there is no open-source real time antivirus solution right ? –  user9744 Jul 23 '13 at 5:00
Sorry for my bad English, I am only searching for a real time open source antivirus solution for every OS, if not why no one trying to develop such a good solution for virus. –  user9744 Jul 24 '13 at 11:33

1 Answer 1

You don't need to pay. There are several free tools like:

Microsoft Security Essentials

AVG Free

AntiVir free

Bitdefender Free

The only opensource AV tool I found doesn't provide realtime scanner:


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Add to the list Avast too –  Ganesh R. Jul 23 '13 at 4:48
Can I able to update the database of these antivirus without any payment ? –  user9744 Jul 23 '13 at 4:53
I've removed the list of commercial products; product recommendations are not on topic. –  obsd Jul 23 '13 at 5:18
@obsd That was a inappropriate edit, Asking for product recommendations is off topic (and the question was correctly closed) but giving product recommendations as answers are perfectly fine. –  Scott Chamberlain Jul 23 '13 at 6:00
Often what someone asks is not what they need. If you read the details of what he was asking (Which you tried to delete with your edit to his question too) what he really wanted was a free antivirus, he did not care if it was open source or not, he was just tired of paying for it. –  Scott Chamberlain Jul 23 '13 at 6:18

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