Yes, both SherpaDesk and Zoho Desk offer a Free Trial.
SherpaDesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zoho Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SherpaDesk Starts at $9per Tech whereas for Zoho Desk Starts at $7/user/month when yearly.
Some top alternatives to SherpaDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Time Track Bill, Billable, Apptivo, Freshservice, Vertask, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, mHelpDesk and AtTrack.
Some top alternatives to Zoho Desk includes Zendesk Support, Tidio Helpdesk, ManageEngine ServiceDesk Plus, Jira Service Desk, HelpDesk, SysAid, Desky, ReadyDesk, Sitehelpdesk, Trakdesk, HESK and BoldDesk.