Yes, both Desk360 and Zoho Desk offer a Free Trial.
Desk360 is designed for Large Enterprises, Medium Business and Small Business.
Zoho Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Desk360 Starts at $19/Month when Billed Yearly whereas for Zoho Desk Starts at $14/User/Month when Billed Yearly.
Some top alternatives to Desk360 includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, EngageBay Helpdesk System, Helprace, HelpdeskEddy, LabiDesk and BoldDesk.
Some top alternatives to Zoho Desk includes Zendesk Support, ManageEngine ServiceDesk Plus, Jira Service Desk, HelpDesk, SysAid, Desky, ReadyDesk, Sitehelpdesk, Trakdesk, HESK and BoldDesk.