If you are concerned your child may be spending too much time online or playing games -- or you don't want him/her to use your PC when you're either asleep or away from home -- this type of software offers a solution. It allows you to set limits on how much time your child spends on the computer or online. Vista User Time Manager lets you specify when exactly and how long the computer can be used and define users which will be allowed to use the computer without any limits.

Internet Access Controller is a leading software tool for controlling, blocking web sites and restricting internet & network access.
Internet Access Controller can restrict internet access at specified times or on demand. You can password protect an internet connection. Protect your computer from viruses, trojans, worms that can be contracted from malicious websites or programs. Great for parental control or to prevent employess from inappropriate internet usage. You can block, limit or allow which programs and services have access to the internet. The timer feature allows you to disable the internet connection after a specified amount of time. IAC gives you complete control over your computer's network connection.