Yes, both SherpaDesk and AtTrack offer a Free Trial.
SherpaDesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
AtTrack is designed for Freelancers, Medium Business and Small Business.
Pricing for SherpaDesk Starts at $9per Tech whereas for AtTrack Starts at $3/User/Month.
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 AtTrack includes Hubstaff, Clockify, TimeTrack, Time bot, Timebase, Time Track Bill, Timesheet, Time Analytics, Billable and Tack.