Thriftyapp

Lowermybills.com is an established price comparison site for loans, credit cards, insurance, and phone bills.

ooma Core VoIP Phone System with No Monthly Phone Service Bills: buy the phone and pay no monthly fee.  I use the MagicJack, so I can recommend VOIP technology more generally but the quality of this specific product is unknown.

Google 411 with is a free, automated directory service with accurate voice recognition.  Hat tip CNN Money.

Billshrink.com is a robust tool that users input their usage into and find the best plan for them.  For example, note how often you use a credit card, what type of rewards you would use or not, and other information and Billsrhink offers the best credit card for you based on your answer.

magicJack – No More Phone Bills – Free Local & Long Distance Calls! has saved my family thousands of dollars.  This is a great product that saves money on landlines and reduces your need for cell phones.  Simply plug the jack into your computer and your telephone into the jack.  Then, follow the simple instructions.  You will then be able to send and receive phone calls over the internet for just a few dollars a year!