Yes, both Jira and Harvest offer a Free Trial.
Jira is designed for Large Enterprises, Medium Business and Small Business.
Harvest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Jira Starts at $6.25/User/Month when Billed Yearly whereas for Harvest Starts at $10.80/User/Month when Billed Yearly.
Some top alternatives to Jira includes Trello, Confluence, Asana, SwiftKanban, Kanbanize, ClickUp, Height, Kanban Tool, Kanban Zone and KanbanFlow.
Some top alternatives to Harvest includes clockodo, Timesheets.com, TrackingTime, Clockify, TimeTrack, Time Track Bill, Timesheet, Hyperlogs, Timet and Time Tracker by eBillity.