Yes, both SysAid and Deskero offer a Free Trial.
SysAid is designed for Large Enterprises, Medium Business and Small Business.
Deskero is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Deskero begins at $9/User/Month when Billed Yearly, while pricing details for SysAid are unavailable.
Some top alternatives to SysAid includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Jira Service Desk, Freshdesk, LiveAgent, HelpDesk, Jitbit Helpdesk, TOPdesk, ReadyDesk, Milldesk, Sitehelpdesk, Spiceworks Help Desk and HESK.
Some top alternatives to Deskero includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, SeamlessDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, ReadyDesk, Trakdesk, LabiDesk, DeskXpand and BoldDesk.