TaxTorcher Estimates taxes across states for retirement relocation tradeoffs Needs a lot of work, and I don't doubt it has bugs. It matches professional tax software result for my specific tax situation but might not for you. Run html: https://htmlpreview.github.io/?https://github.com/HPCguy/TaxTorcher/blob/main/TaxTorcher.html