Voice over Internet Protocol (VoIP) clients can be a literal godsend for those who want to save on phone call costs. Developer sipgate.com offers a thrifty alternative to through their self-titled VoIP homebrew client application, sipgate.

This free downloadable program allows you to install their client and use it to make calls using their VoIP service. To use it, all you need is to register your personal info on their site and sign up for an account. sipgate is available through a direct download on their site or through the sipgate repository found there.

After installing the application, don't forget to configure your account after starting it up for the first time. All you have to do is enter your sipgate username number and your password, which you should have received from your registration email.

Once you're logged in, you can select the sipgate VoIP on the upper left corner and type in the phone number (plus area code, of course) you want to call. The service provided by sipgate allows users up to 111 minutes of free calls to domestic phones.

For more information regarding sipgate, you can check out the FAQs and other documentation found on the source site, through this off-site link.