Yes, both HubDesk and TaskSift offer a Free Trial.
HubDesk is designed for Medium Business and Small Business.
TaskSift is designed for Large Enterprises, Medium Business and Small Business.
Pricing for HubDesk Starts at $16.67/Month when Billed Yearly whereas for TaskSift Starts at $7.50/Month when Billed Yearly.
Some top alternatives to HubDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Jira, FogBugz, Sprintly, Issuetrak, TaskSift, Height, Qualified, Suptask, Sweetjab, Workvivo, Stepsize and IFTTT.
Some top alternatives to TaskSift includes Freshservice, HelpDesk, osTicket, Snappy, Support.cc by 500apps, PagerDuty, YetiCloud, Spike.sh, Mission Manager, StatusCast Incident Management and Suptask.