goodBuilt-in live chat and ticketing system (helpdesk) module for Prestashop, self-managed, free forever! 2-in-1 complete customer support channel to communicate with online customers easily and boost sales.
source : https://prestashopturkiye.com/
https://addons.prestashop.com/en/support-online-chat/29785-live-chat-and-ticketing-system.html