From Behemoth Software:
Open Tax Solver provides a quick and easy way to do your Federal and State personal income Taxes. It contains the forms that apply to many people. It also contains programs to fill out the State Tax Forms for several of the most populous states. The graphical interface is simple and intuitive to use. A brief movie on the web page shows how to install and use the program. This program has been in use for over ten years.
Version 14.06 includes several fixes in the capital-gains section of the GUI. Added "various-short" and "various-long" options to cap-gains Buy-Dates, to better handle the case of securities accumulated over time.