Adobe
Yes, both ProProfs Help Desk and HappyFox offer a Free Trial.
ProProfs Help Desk is designed for Large Enterprises, Medium Business and Small Business.
HappyFox is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ProProfs Help Desk Starts at $10/User/Month when Billed Yearly whereas for HappyFox Starts at $29/Month when Billed Yearly.
Some top alternatives to ProProfs Help Desk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Teamwork Desk, LiveAgent, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, ReadyDesk, Sitehelpdesk, Help Desk Premier, DeskXpand and BoldDesk.
Some top alternatives to HappyFox includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Jira Service Desk, Freshdesk, Deskero, SeamlessDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, CRMdesk, ReadyDesk, HESK and BoldDesk.