What are the tools available for point defects calculations? [closed]

It would be appreciated if you could explain one of the tools below (or another tool not listed), in the format used here (for example):

• Just a note that the functionality in PyCDT and pymatgen include the same developers and are complementary (PyCDT uses pymatgen). I know many people using it with success but I do not personally so can't comment further. Mar 16, 2021 at 1:03