Mint.com is completely trustworthy. I was a little skeptical when I gave them all my accounts including username and password but I have been using them for over a year and I have had no issues with them. They keep track of budgets and spending as well as give you tips for saving money. You can search your history and figure out where all your money went! It will categorize your spending and send you email alerts when you're bills are due or if you go over your budget for a certain category. My only complaint is that they don't have my main bank in their system yet. However, they indicated...review »