Yes, both Harvest and Celoxis offer a Free Trial.
Harvest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Celoxis is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Harvest Starts at $10.80/User/Month when Billed Yearly whereas for Celoxis Starts at $25/month when yearly.
Some top alternatives to Harvest includes Connecteam, Smartsheet, clockodo, Timesheets.com, TrackingTime, Clockify, TimeTrack, Time Track Bill, Timesheet, Hyperlogs, Timet and Time Tracker by eBillity.
Some top alternatives to Celoxis includes Smartsheet, Miro, Process Street, Wrike, Notion, Jira, Basecamp, Microsoft PPM, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Quick Base, ClickUp, Resource Management by Smartsheet and Height.