Yes, both HappyFox and HelpOnClick offer a Free Trial.
HappyFox is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
HelpOnClick is designed for Large Enterprises, Medium Business and Small Business.
Pricing for HappyFox Starts at $29/Month when Billed Yearly whereas for HelpOnClick Starts at $7.20/User/Month when Billed Yearly.
Some top alternatives to HappyFox includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Jira Service Desk, Freshdesk, Deskero, SeamlessDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, CRMdesk, ReadyDesk, HESK and BoldDesk.
Some top alternatives to HelpOnClick includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, Crisp, DeskMoz, MyLiveChat, Zendesk Chat, Provide Support, WebsiteAlive and Smartchat.