Contacts and Support
Good way to give feedback is mailing the author (gowrite_support [at] gowrite.net).
Hactar has feedback button. This allows you to send feedback related to task ongoing at hactar. If you have question, please add your mail address to get answer.
Support Forum
Hactar has support forum. This is good place for feedback and discussion. Forum requires account creation.
Localizations
If you want to localize Hactar (or improve localization), please see forum posting. Hactar Localization is done at weblate localization. All localizations are created and maintained there.