It looks like Elegantt has a few ways for contacting them.
1) Contact form at https://elegantt.com/contact
2) Email at email@example.com
Have you tried using all of the above contact methods? If not, I recommend doing so.
It might also be helpful to post a specific question that you have regarding Elegantt on this community forum, it's possible that another member of the community will be able to answer for you. Unfortunately, I am not familiar with Elegantt so I doubt I'd be much help.
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