(CNN) — When it comes to their federal income tax returns, tens of millions of US households pay for tax preparation and filing. Yet many might qualify to do so for free through IRS-approved programs.

The agency still offers a Free File program that works with commercial tax software firms. Some companies also offer free tools for certain filers. By Ann Carrns The federal government tested a free, ...

Believe it or not, it's possible to prepare and file your income taxes without spending a dime. We've reviewed the leading ...