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I would like to know is there any software that will make my Macbook Pro's iSight camera work as biometric authentication by capturing my face? Any free or paid software are welcome (preferably free). I have tried to google it but I found only some forums with posts from 2004 and nothing helpful.

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up vote 2 down vote accepted

KeyLemon looks like what you want:

It has a free version, but I don't believe it will replace the login screen.

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thanks, nice one :) I will wait for a couple of days, if there wouldn't better answers I will mark your as an answer – haynar Aug 28 '12 at 18:33
This looks like exactly what you asked for. I am going to give it a try too. – zk. Aug 29 '12 at 14:06

I'm not aware of any software that will allow you to do that.

I would comment on the KeyLemon suggestion, but I don't have enough rep!

I do not think this will replace the standard OS X login screen. It looks like it will add another, working like a screensaver, to restrict access to your machine once you have logged on.

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Agreed. Looks like it may be able to replace the one on Windows, but I'm skeptical of that as well. At best, it looks like it's a face-based password storage utility for other sites and services. – Terrance Shaw Aug 29 '12 at 10:18

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