Good employee monitoring software?

Do you know any reliable tool I can use to monitor the online activities of each separate computer in my company. I do not expect to get a good but totally free tool for safety sake. But my budget is really tight ($500 for about 30 computers). Can you guys offer me some brilliant ideas?

There are many useful parental control software you can reply on. If your nephew uses iphone, you can use iKeyMonitor. For others phones, look at mobile spy.
http://www.parental-controls-software.net/

If you are looking for the best employee monitoring s/w then I think agent guardian is really good software for you I'm also using this s/w for my company.
With the help of this s/w you can get the screen shots of each and every minute when users are sign in AgentGuardian track time worked, user activity, and desktop screenshots. This is really amazing software and with the help of this now I'm monitoring each an every activities of each employee.

Youll achieve twice as much by simply developing a policy that sets out the company's expectations of employees as regard computer usage

and

simply tell everyone youve installed monitoring software

rather like having big signs and dummy security cameras in a shop

its not like you actually want to review the data anyway

You can look at imonitor.
http://www.employee-computer-monitoring.com

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