Sometimes the computer sitting in your living room can be more dangerous than anything your child will encounter outside. At 8 months old, my son has already shown a strong interest in my computer and my phone. By the time he reaches kindergarten, he could be surfing the web.

Whether your child is 5 or 15, you don't want him viewing illicit content or communicating with predators. Net Nanny 6.5 allows you to control what kinds of websites your child can view and what kinds of games he plays. The software even keeps tabs on your child's social networking activity and alerts you if your child is being cyber bullied or talking to strangers.

More: How to Talk to Your Kids About Internet Safety