This link with archive comes from this HW member
https://forum.heroesworld.ru/member.php?u=35526He obiasly, not made this font Generator, but he collected usefull programs and information about H5 modding during this years.
I will ask him what he knows about font Generator. And ask him to share this information with you. But I suggest you better contact him too yourself. It seems like he has a Facebook page. It is linked in his profile.