Yes, both Taiga and TMetric offer a Free Trial.
Taiga is designed for Individuals, Large Enterprises, Medium Business and Small Business.
TMetric is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Taiga Starts at $5/User/Month when Billed Yearly whereas for TMetric Starts at $4.16/Month when Billed Yearly.
Some top alternatives to Taiga includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, GitScrum, ProjectManager.com, OpenProject, Backlog, Kanbanize, Quick Base, Height, Yodiz and Kanban Zone.
Some top alternatives to TMetric includes Timely, clockodo, Time Doctor, Everhour, Toggl Track, TrackingTime, Clockify, TimeTrack, Timesheet and Time Tracker by eBillity.