There is no form and no ticket queue. A message goes to the person who writes the software.
contact@rodap.fr, for a question about the product, a price, or a school that wants to see it running.
Within 24 working hours. If a question needs a longer answer, the first reply says so rather than staying silent.
The publisher, who is also the person who writes the code. There is no support desk in between, and none is planned while one person can answer.