Yes, both Ubertesters and Trello offer a Free Trial.
Ubertesters is designed for Large Enterprises, Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Trello begins at $5/User/Month when Billed Yearly, while pricing details for Ubertesters are unavailable.
Some top alternatives to Ubertesters includes TestRail, ReQtest, Bug-Track.com, Disbug, CloudQA, Kualitee, QuAck, UnbugQA, Crash Catch and TestUnity.
Some top alternatives to Trello includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Basecamp, Wrike, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, Resource Guru and Height.