Yes, both Harvest and TeamGantt offer a Free Trial.
Harvest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TeamGantt is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Harvest Starts at $10.80/User/Month when Billed Yearly whereas for TeamGantt Starts at $19/Month when Billed Yearly.
Some top alternatives to Harvest includes clockodo, Timesheets.com, TrackingTime, Clockify, TimeTrack, Time Track Bill, Timesheet, Hyperlogs, Timet and Time Tracker by eBillity.
Some top alternatives to TeamGantt includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, ManagePro, monday.com, Teamwork, ProjectManager.com, Microsoft Project, GanttPRO, Instagantt, ProWorkflow, Quick Base, GoodGantt and Gantt.io.