The IRS Withholding Calculator “help[s] employees to ensure that they do not have too much or too little income tax withheld from their pay. It is not a replacement for Form W-4, but most people will find it more accurate and easier to use than the worksheets that accompany Form W-4. You may use the results of this program to help you complete a new Form W-4, which you will submit to your employer.”
The Paycheck Calculator allows you to determine your net pay based on known parameters (such as gross pay, exemptions, tax status, etc.).
iOWEYOU is an expenses sharing system designed for use by college roommates (and the like). A group of housemates can track shared expenses, from rent to beer. The app is web based, so it can be accessed from anywhere you can reach a computer. It’s free for groups of up to five people.
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