Yes, both Trello and Upflowy offer a Free Trial.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Upflowy is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Trello Starts at $5/User/Month when Billed Yearly whereas for Upflowy Starts at $49/Month.
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.
Some top alternatives to Upflowy includes Optiin, Cloud Funnels, Heyflow, Convertful, UseItBetter, Shogun Page Builder, Qualified, Workvivo, Confab, IFTTT and 7clues.