Issuetrak - Issue tracking software for help desk and customer service
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Deskun - Deskun is a Help Desk system inside Gmail. It enables you to support customers directly from your mailbox, manage projects, and use free features for Gmail.
WATI - No-code chatbot builder for WhatsApp Business
Kapdesk - Kapdesk offers support teams with a helpdesk software to streamline support tasks.
SleekFlow.io - Sell, convert & support better on chat