Yes, both Richpanel and Zendesk Support offer a Free Trial.
Richpanel is designed for Large Enterprises and Medium Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Richpanel Starts at $80/Month when Billed Yearly whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Richpanel includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, ClickDesk, Deskero, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Gorgias, LabiDesk, Desk360, Smartchat and BoldDesk.
Some top alternatives to Zendesk Support includes Zoho Desk, Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.