Sigh. Another tax season is upon us. I filed my taxes with TurboTax, exploring its newest features and free or low-cost filing options.

TurboTax, H&R Block, TaxSlayer, and TaxAct — comparing features, pricing and ease of use to help you find the best filing program for your needs.

Taxes are confusing, and tax software can be, too. In this guide, we explain how tax software works and how it can help you prepare your taxes online.