Free and Open Source PFIC Form 8621 Tool. Currently it is pretty limited in functionality but it is work in progress.
github.com
GitHub - vagarwal3/PFIC8621: Tax Form 8621 Calculator
Tax Form 8621 Calculator. Contribute to vagarwal3/PFIC8621 development by creating an account on GitHub.
![github.com](/proxy.php?image=https%3A%2F%2Fgithub.com%2Ffluidicon.png&hash=592e9f9d173d251c5a5e41cdde9b74df&return_error=1)