If you resolved on Jan. 1 to keep better track of your personal finances, are you sure where to start? Sure, you can buy accounting software, sign up for a service or poke around your bank’s online ...

Data. Your business can't run without it. As a small-business owner, you need to track everything – from your inventory levels to the personal information of employees. Many entrepreneurs start off ...

Free spreadsheet apps are a cool idea, as long as you’re comfortable with their limitations. Many are ad-supported, for instance, so expect part of your screen to be trying to sell you something.