Yes, both Jira and Kayako offer a Free Trial.
Jira is designed for Large Enterprises, Medium Business and Small Business.
Kayako is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Jira begins at $6.25/User/Month when Billed Yearly, while pricing details for Kayako are unavailable.
Some top alternatives to Jira includes Trello, Confluence, Asana, SwiftKanban, Kanbanize, ClickUp, Height, Kanban Tool, Kanban Zone and KanbanFlow.
Some top alternatives to Kayako includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, CRMdesk, Sitehelpdesk, LabiDesk, HESK and BoldDesk.