Yes, both Hubstaff and Pivotal Tracker offer a Free Trial.
Hubstaff is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pivotal Tracker is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Hubstaff Starts at $5.83/User/Month when Billed Yearly whereas for Pivotal Tracker Starts at $6.50/User/Month.
Some top alternatives to Hubstaff includes Time Doctor, DeskTime, TimeTracker App, Harvest, Timesheets.com, TrackingTime, Clockify, TimeTrack, Timebase and AtTrack.
Some top alternatives to Pivotal Tracker includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, TeamGantt, Teamwork, ProjectManager.com, Microsoft Project, Backlog, Trackboard, Quick Base, Projectsly by 500apps, Height and Project Insight.