Yes, both SherpaDesk and Teamwork Desk offer a Free Trial.
SherpaDesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Teamwork Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SherpaDesk Starts at $9per Tech whereas for Teamwork Desk Starts at $8.50/User/Month when Billed Yearly.
Some top alternatives to SherpaDesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Time Track Bill, Billable, Apptivo, Freshservice, Vertask, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, mHelpDesk and AtTrack.
Some top alternatives to Teamwork Desk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, HelpDesk, SysAid, Jitbit Helpdesk, Desky, eStreamDesk, Helpspot, ReadyDesk, AzureDesk, HESK and Help Desk Premier.