Just for comparison: in Brazil the _Receita Federal_ (IRS equivalent) provides a free multi-platform* Java desktop app for filing your taxes. The UI isn't great* and if you do complex stock trading it can be a pain to add the necessary information, but for the vast majority of people it works just fine. It also shows if it is better to use the standard deduction or the itemized deductions for your particular case and…
> Brazil the _Receita Federal_ (IRS equivalent) provides a free multi-platform Java desktop app for filing your taxes. Other fun stuff about that desktop app... * Originally, it was a DOS-only program (yes, it's that old). Then for a while, it was Windows-only, then for some time (probably due to the Linux users complaining) there was both the Windows-only version and the Java multi-platform version, and later the Wi…
It's been replaced by something far nicer and web based! Though the old application was still definitely better than doing taxes by hand or having to pay for some third-party thing.