Major tax-prep providers like Intuit’s TurboTax and H&R Block say they can do “simple” federal income-tax returns for free.

H&R Tax Software Deluxe works for State and Federal returns, checks hundreds of deductions, and has audit support.

Known as the industry standard for small-business accounting software, Intuit’s QuickBooks ... Next, you can customize invoices, set up automatic sales tax tracking (if necessary) and learn ...