Yes, both LiquidPlanner and Time Doctor offer a Free Trial.
LiquidPlanner is designed for Large Enterprises and Medium Business.
Time Doctor is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Time Doctor begins at $7/Month, while pricing details for LiquidPlanner are unavailable.
Some top alternatives to LiquidPlanner includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Microsoft PPM, Wrike, ProjectManager.com, Microsoft Project, VisionProject, Projectworks, RationalPlan, Quick Base, Resource Management by Smartsheet, Height and Project Insight.
Some top alternatives to Time Doctor includes clockodo, TMetric, Toggl Track, Hubstaff, TrackingTime, Clockify, TimeTrack, Timesheet, AtTrack and Time Tracker by eBillity.