Yes, both Kayako and Freshservice offer a Free Trial.
Kayako is designed for Large Enterprises, Medium Business and Small Business.
Freshservice is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Freshservice begins at $19/User/Month when Billed Yearly, while pricing details for Kayako are unavailable.
Some top alternatives to Kayako includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, CRMdesk, Sitehelpdesk, LabiDesk, HESK and BoldDesk.
Some top alternatives to Freshservice includes Jira, SolarWinds Service Desk, Jira Service Desk, IBM Control Desk, Freshdesk, HelpDesk, TOPdesk, ReadyDesk, TechExcel ServiceWise and Scopedesk.